Women's Altitude Sun Hoodie

World's Lightest Weight Sun Hoodie

$49.97
Membership Pricing: $44.97

The Altitude was built for ultralight comfort & UV protection in the backcountry.

  • 4 oz weight
  • Quick-drying
  • Moisture-wicking
  • Excellent breathability
  • FUZE antimicrobial treatment for bacteria & odor resistance
Size
Color: Blue
What's My Size?

Description

The Altitude Hoodie is built for high-output movement in hot, exposed conditions, delivering ultralight sun protection without trapping heat. At around 4 oz, the breathable 80 GSM fabric allows air to flow and moisture to escape, helping you stay cooler than a traditional t-shirt while still protecting your skin from direct sun exposure. Whether you're hiking, running, or moving through alpine terrain, this is the layer designed to keep you comfortable when temperatures rise.

Designed as your primary base layer, the Altitude replaces a standard shirt with a more technical solution for sun, sweat, and long days outside. It dries quickly, resists odor with FUZE™ antimicrobial treatment, and layers easily under wind or insulation when conditions change. When staying cool matters as much as staying protected, this is the piece you reach for.

Specs
  • Weight: 3.4 oz (size Women's S)
  • Fabric: 80 GSM 100% polyester
  • FUZE™ Antimicrobial Treatment for bacteria & odor resistance
  • UPF Rating: Inconclusive because fabric is too light & thin, making it hard to test - (the Altitude has been tested extensively in high elevation sunlight with no sign of UV ray penetration)
  • Fit: Close - The Altitude hoodie should fit close to skin and fit easily beneath other layers.
  • Gender: Men & Women specific fits
  • Warranty: Outdoor Vitals Performance Promise
Key Features

True Flat-Lock Seams

Raglan Sleeves

Minimal Clean Collar Hood

Excellent Stretch

Moisture Wicking

Bacteria & Odor Resistant

Breathable

Quick Drying

Sun Blocking Ability

What Makes The Altitude Different?

Stay Fresh Longer Than Other Synthetic Hoodies

How The Altitude Holds Up

What Makes The Altitude Different?

The Altitude Hoodie is built specifically for backcountry performance, not casual wear. Every detail — from the ultralight 80 GSM fabric to the athletic fit and moisture management — is designed for high-output activity where comfort and efficiency matter.

Compared to standard sun hoodies, it is lighter, more breathable, and dries faster, making it a better choice for backpacking, alpine travel, and long days on the trail.

What Makes The Altitude Different?

all-groups

The Altitude Hoodie is built specifically for backcountry performance, not casual wear. Every detail — from the ultralight 80 GSM fabric to the athletic fit and moisture management — is designed for high-output activity where comfort and efficiency matter.

Compared to standard sun hoodies, it is lighter, more breathable, and dries faster, making it a better choice for backpacking, alpine travel, and long days on the trail.

Stay Fresh Longer Than Other Synthetic Hoodies

The Altitude Hoodie uses FUZE™ antimicrobial technology, which bonds nano-silver directly to the fabric fibers to help reduce odor-causing bacteria. This allows you to wear it longer between washes compared to standard synthetic shirts.

While no synthetic fabric is completely odor-proof, the Altitude is designed to stay fresher longer on multi-day trips where washing isn’t an option.

Stay Fresh Longer Than Other Synthetic Hoodies

The Altitude Hoodie uses FUZE™ antimicrobial technology, which bonds nano-silver directly to the fabric fibers to help reduce odor-causing bacteria. This allows you to wear it longer between washes compared to standard synthetic shirts.

While no synthetic fabric is completely odor-proof, the Altitude is designed to stay fresher longer on multi-day trips where washing isn’t an option.

How The Altitude Holds Up

The Altitude Hoodie is intentionally built with ultralight fabric to maximize breathability and comfort during high-output activity. While it is not designed for heavy abrasion or bushwhacking, it performs exceptionally well for hiking, backpacking, running, and long-distance travel.

For most users, this becomes the layer you wear the most — because it stays comfortable when other layers don’t.

How The Altitude Holds Up

The Altitude Hoodie is intentionally built with ultralight fabric to maximize breathability and comfort during high-output activity. While it is not designed for heavy abrasion or bushwhacking, it performs exceptionally well for hiking, backpacking, running, and long-distance travel.

For most users, this becomes the layer you wear the most — because it stays comfortable when other layers don’t.

Key Features

Near Weightlessness and Breathability

Experience unparalleled comfort with the Altitude's lightweight construction and exceptional breathability. Whether you're trail running, hiking, or exploring the great outdoors, its thoughtful design ensures you stay comfortable every step of the way.

Sun Protection

Named for its ability to shield you from the harsh sun at high elevation, the Altitude Sun Hoodie is your defense against sunburns. Tested on the challenging Uinta Highline Trail, it proved its worth over 100 miles of rugged terrain, with 80% of those miles above 10,000 ft in elevation.

Near Weightlessness and Breathability

Experience unparalleled comfort with the Altitude's lightweight construction and exceptional breathability. Whether you're trail running, hiking, or exploring the great outdoors, its thoughtful design ensures you stay comfortable every step of the way.

Sun Protection

Named for its ability to shield you from the harsh sun at high elevation, the Altitude Sun Hoodie is your defense against sunburns. Tested on the challenging Uinta Highline Trail, it proved its worth over 100 miles of rugged terrain, with 80% of those miles above 10,000 ft in elevation.

Moisture Management

Stay dry and comfortable no matter the conditions. The performance synthetic fabric wicks moisture away from your skin and dries rapidly, making the Altitude suitable for year-round use as a base layer.

Comfortable Fit

Designed for high activity, the Altitude offers an athletic fit that's not tight or restrictive. This allows the synthetic blend to effectively manage moisture while providing freedom of movement.

Moisture Management

Stay dry and comfortable no matter the conditions. The performance synthetic fabric wicks moisture away from your skin and dries rapidly, making the Altitude suitable for year-round use as a base layer.

Comfortable Fit

Designed for high activity, the Altitude offers an athletic fit that's not tight or restrictive. This allows the synthetic blend to effectively manage moisture while providing freedom of movement.

Ideal For

  • hot weather hiking
  • high-output movement
  • sun exposure at elevation
  • trail running
  • thru hiking
  • ultralight backpacking
  • exposed fishing
  • anyone looking for lightweight sun protection without chemicals or reapplication
OV Media Mentions OV Media Mentions OV Media Mentions

Design Story

Performance Metrics Relative To OV Products

Base Layer

Warmth

Breathability

Water Resistance

Wind Resistance

Durability

Stretch

Packability

Women's Altitude Sun Hoodie

1/10

9/10

1/10

1/10

3/10

6/10

7/10

Frequently Asked Questions

Product, Shipping, & Warranty Info

Full Description

The Altitude Sun Hoodie was built for pushing boundaries and conquering new heights. Designed for those who seek adventure and demand performance, the Altitude is one of the lightest weight synthetic sun hoodies available. Here's why it's perfect for your next excursion:

  • Near Weightlessness and Breathability: Experience unparalleled comfort with the Altitude's lightweight construction and exceptional breathability. Whether you're trail running, hiking, or exploring the great outdoors, its thoughtful design ensures you stay comfortable every step of the way.
  • Sun Protection: Named for its ability to shield you from the harsh sun at high elevation, the Altitude Sun Hoodie is your defense against sunburns. Tested on the challenging Uinta Highline Trail, it proved its worth over 100 miles of rugged terrain, with 80% of those miles above 10,000 ft in elevation.
  • Moisture Management: Stay dry and comfortable no matter the conditions. The performance synthetic fabric wicks moisture away from your skin and dries rapidly, making the Altitude suitable for year-round use as a base layer.
  • Comfortable Fit: Designed for high activity, the Altitude offers a women specific athletic fit that's not tight or restrictive. This allows the synthetic blend to effectively manage moisture while providing freedom of movement.
  • More Coverage: The high collar offers maximum coverage, even when the hood is down. The ultralight fabric provides sun protection without causing overheating, so you can adventure day-in and day-out without worrying about sensitive skin. 

Experience better back country comfort with the Altitude Sun Hoodie. No hardware, no frills—just 4 oz of breathable & protective performance.

Product Care

Your Altitude Hoodie or Tee is a high performance piece of gear. It needs some extra attention to keep it performing at the highest level.

Please read through the care instructions below to ensure that you care for it properly:

Before Washing

  • Never wash your Altitude in a washing machine that has an agitator.
  • If you cannot follow the prior instructions you should hand wash your product


The Wash & Dry Process

  1. Use mild detergent like Dreft (for babies) or Nikwax Tech Wash (for technical gear).
  2. Choose Low Spin or Delicate wash.
  3. Choose Cold Wash & Cold Rinse (add extra rinse if possible).
  4. Hang dry until the product is completely dry.


For more information on caring for your gear please visit https://outdoorvitals.com/pages/care-guide-faq

How long does shipping take?

Orders for in-stock items will begin processing 1-2 days after your online purchase is completed. Please note that business days are Monday through Friday, excluding holidays in the United States. Once processed, Priority shipping generally takes 1-3 days to arrive. Note that USPS Priority shipping is a time estimate and not guaranteed. You will receive an email notification once your package leaves our warehouse.

If you place an order that includes a backordered or pre-sale item, we will hold the entire order until the pre-sale item is in stock. If you would like to receive the in-stock items sooner and split your order into two shipments, please place two separate orders or pay an additional shipping fee to have the order divided into two shipments.

Do you ship to addresses outside the US?

Some countries may be excluded from our shipping options due to extremely high shipping costs, unsafe conditions for US carriers, or unreliable delivery services. To check if we can ship to your country, please go to the Checkout page and enter your shipping address.

Customers have the option to prepay duties and taxes for certain countries. If these fees are not prepaid, customers may be responsible for them upon delivery, depending on the import laws and regulations of their respective countries. We recommend checking with your local customs office to see if these apply in your area. APC Economy Shipping

Please note that the situation regarding duties and taxes is constantly changing. We are working to stay updated on the varying shipping costs as they evolve. Also, Live Ultralight Members and Peak tier members do no get free shipping to international addresses.

What is your returns/exchange policy?

Shop with Confidence: OV's Simple Returns Policy

  • Free First Exchange:* Enjoy your first exchange at no extra cost with each order (USA only).
  • 60-Day Return Window:** You have 60 days to return items; this is extended to 90 days for purchases made in November and December.
  • Easy Return Shipping:* We provide return labels or QR codes for your convenience (USA & Canada only). 

For more information, please visit our Warranty/Returns page. 

https://outdoor-vitals.loopreturns.com/#/

*Please note: Clearance items are final sales and are not eligible for returns or exchanges. Items such as soft flasks (included with our Skyline Fastpack) cannot be returned due to sanitary reasons. If you choose to return your fastpack, a $15 charge per bottle or flask will be deducted from your refund, unless the bottles or flasks are returned with their original packaging still intact.

Do you have a product warranty?

Our gear is made with the goal in mind of balancing ultralight weight, performance, comfort and durability. We believe in the “Live Ultralight” mantra so we focus on ultralight weight and performance while maintaining durability thresholds established for each product.

Our warranty covers manufacturing & workmanship defects for the Expected Lifespan of our products. Expected Product Lifespan is determined by OV Gear Specialists using the following criteria:

  • Product design intent & materials specifications
  • Intended use of the product
  • The specific issue encountered with the product
  • The age of the product (based on Manufacture date)
Is the Altitude Sun Hoodie durable?

The Altitude Sun Hoodie is durable for its intended use: hiking, backpacking, trail running, travel, and high-output movement. It is not designed for heavy abrasion, bushwhacking, climbing against rock, or repeated snagging against rough surfaces. The tradeoff is intentional: it prioritizes low weight, breathability, and comfort over rugged abrasion resistance.

How does the Altitude Sun Hoodie fit?

The Altitude Sun Hoodie has a close, athletic fit. It is designed to sit close to the skin without feeling overly tight or restrictive, which helps the fabric manage moisture and makes it easier to layer under a wind shell, fleece, or insulation layer.

What is FUZE™ antimicrobial treatment?

FUZE™ antimicrobial treatment is a fabric treatment that bonds silver mineral to the polyester fibers. Outdoor Vitals uses it to help reduce bacteria and odor buildup, giving the Altitude Sun Hoodie better odor resistance than a standard untreated synthetic sun shirt.

Is the Altitude Sun Hoodie odor-proof?

No synthetic hoodie is completely odor-proof. The Altitude Sun Hoodie is designed to resist odor better than standard synthetic layers, but it can still develop odor over time depending on sweat, trip length, weather, and how often it is washed.

Is the Altitude Sun Hoodie cooler than a regular t-shirt?

For many high-output conditions, yes. The Altitude Sun Hoodie is designed to feel cooler than a traditional t-shirt in direct sun because it uses breathable 80 GSM fabric that allows airflow and helps moisture escape while keeping the sun off your skin. It is intended for warm, exposed environments where direct sun can make bare skin or standard cotton layers uncomfortable.

Will the Altitude Sun Hoodie protect me from sunburn?

The Altitude Sun Hoodie is designed to help protect your skin from direct sun exposure by covering your arms, torso, neck, and head with lightweight fabric. It has been extensively tested in exposed environments throughout the Rockies for extended periods of time with no sunburns.

How much does the Altitude Sun Hoodie weigh?

The Altitude Sun Hoodie weighs around 4 oz, making it one of the lightest sun hoodies in the outdoor market. Its low weight comes from an ultralight 80 GSM polyester fabric designed for breathability and packability.

Is the Altitude Sun Hoodie good for backpacking?

Yes. The Altitude Sun Hoodie is a strong choice for backpacking, especially for ultralight backpacking, thru-hiking, desert routes, alpine travel, and exposed trails. At around 4 oz, it is designed to replace a standard hiking shirt with a more technical layer that provides sun coverage, moisture management, breathability, and odor resistance.

What is the Outdoor Vitals Altitude Sun Hoodie best used for?

The Outdoor Vitals Altitude Sun Hoodie is best used for hot-weather hiking, high-output movement, trail running, thru-hiking, ultralight backpacking, exposed fishing, and long days in direct sun. It is built as a lightweight sun-protection layer for warm, exposed conditions where breathability, quick drying, and comfort matter more than warmth or heavy abrasion resistance.

Why doesn't the Altitude have a UPF rating?

The UPF rating is inconclusive because the fabric is very light and thin, making it difficult to test reliably. The hoodie is designed for blocking sun and has been tested extensively in high-elevation sunlight throughout the Rockies with no sunburns.

  • 5 stars: 412 (72%)
  • 4 stars: 81 (14%)
  • 3 stars: 35 (6%)
  • 2 stars: 16 (3%)
  • 1 star: 32 (6%)
Some of the reviews shown are from related products the merchant grouped with this one.
A
Anonymous
Great sun hoodie

Wore the sun shirt on a long hike in direct 85 degree sun for hours. Never burned and sweat dried quickly when I had my lunch break. Definitely will be taking this as my main shirt on my upcoming section hike.

The fabric is thin an the velcro on my backpack pocket rubbed on it for hours and it did create tiny snags. This is to be expected especially with any similar sun fabric. It was so affordable that I dont mind using it during technical sports.

t
tatiana greener
Light and airy

Very pretty colors I have blue and torquoise. Fits well, dries fast and looks great!

B
Brenda Folak
Amazing shirt for mountain marathon

Amazing shirt for mountain marathon.

S
Stuart Vrieze
My wife love's the Altitude Hoodie!

I had previously bought my wife two of these, and she wears them all the time for walks and hikes. So much so that I just bought her two more so she did have to worry about having a clean one available.

A
Andrew Feil
Great hoodie! Super light and comfy.

I have recently had some skin cancer scares and that has prompted me to make sure when outside whether hiking, watching kids soccer or gardening that I am covered up. This shirt hits the spot. It runs on the tighter side, but very comfy. Gave it 4 stars because I personally love having the thumb hole to cover up my wrist so that is the reason.

S
Sarah M Van Riper
It is the most breathable lightweight sun shirt I have ever worn

It is the most breathable lightweight sun shirt I have ever worn. I live in the humid and hot Houston heat and this shirt wicked away the sweat so I didn’t even feel wet. I highly recommend,

L
Lamartin
LOTS of pros, but one major con

The pros of this hoodie:

Very lightweight fabric makes it feel like you're wearing almost nothing
Fabric is breathable and flows well
Sizing is pretty true to size. I'm usually a large and a large fits me perfectly with good length for the arms
The fabric is a little stretchy and moves with you - nothing restrictive here

The cons:
Only one, but not insignificant - the material snags a fair amount. I wore it for the first time today on a day trip with a soft pack with no metal or velcro on it. And I have at least 5 snag spots on it. This was super disappointing to me. I wanted to give this 5 stars so much. And I honestly would order one in every color if it weren't for the snagging issue. I'm keeping it because of the other pros, but it's very disappointing that after 1 wear it already looks old and tired.

G
GRealFrank
Very lightweight with decent stretch, but concerned about durability

Very lightweight with decent stretch, but concerned about durability. Plus it's a base layer. In my opinion all base layers should have thumbholes! I sized up a notch to compensate for the lack of thumbholes. Had two pulls in the front after just one short walk on an open trail (no brush) not really sure from but that doesn't bode well for the garment's longevity.

R
Ralph J
100% a great value.

I bought 2 of these Sun hoodies, and I must say, they are so comfortable, and the temperature range they effectively work at is amazing! I tend to hike cold, so single layer from 52 to 75, zero issues so far. Superb wicking, thumb holes would make perfection! They weight sub 5 oz, pack small, just overall an excellent product.

A
Anonymous
False Advertising – Fails After a Single Hike

Pros: Visually appealing style.

Cons: Severe pilling after one use, zero durability, misleading marketing (The brand’s website explicitly features promotional imagery of individuals hiking with backpacks) , inadequate customer support.

This item is purely aesthetic and entirely unfit for actual outdoor use. The material lacks the structural integrity required for hiking. Save your money and buy from a reputable outdoor brand that stands behind its craftsmanship and designs gear that can actually handle a backpack.

K
KC
I wanted to love this

I wanted to love this. I have several other OV items and they have performed great over the years. Upon receiving this hoodie, I was immediately concerned about how thin it was. It felt very fragile. I decided to get it a chance on a hike in the White Mountains that had a lot of exposure. 4 miles round trip and this thing looks beat up. There's pilling on the sleeves and some sort of friction damage on the lower back panel after just 4 miles.

I love how light this is, but there's no way it will hold up over significant mileage

K
Kathleen Favier
Great ultra lightweight sun shirt

This is the perfect sun shirt. I have tried several others and they have been very thick and hot for a supposed sun shirt. OV got it right with this one. Extremely lightweight, breathable, fast drying and almost feels like you aren’t wearing it at all. My only reason for 4 instead of 5 stars is that it came with a snag in the front. But I liked it enough so kept it. Then after using it with a pack a couple times, it already has worn spots around the armpit. I am a bit surprised about the worn areas given this shirt is meant for backpacking. Not sure if it’s a flaw or the result of the ultra thin material. Hopefully it will hold up to my 600 mile Camino. Otherwise, great shirt!

T
Todd
WOW! That is all you really need to know

WOW! That is all you really need to know. I have had several sun hoodies from other companies and they all felt like a long sleeved Tshirt. This is the only sun hoodie I have actually been able to be active in! I wore it on my recent trip which included direct sun during our climb and I stayed super comfortable. I’m giving all my other hoodies away.

D
DBD
Stitching fails

Stitching fails. After a half dozen uses the side stitching hold the front to the back came unzipped. Always washed on gentle cycle with front loading machine. Always dried on a hanger No damage from use. Just not sown properly Would not honor warranty because it was older than 60 days. Others have had the same problem with the hoodie.

B
Betsy Spiegel
Best Sun Hoodie ever'

I love the altitude hoodie. It is actually the second one that I have bought. The shirt is so light and comfortable. It allows you to move freely during your activity. I use it for both hiking and mountain biking. The material really whisks away moisture which helps to keep me cool and dry as well as protected from the sun. I love the yellow color. It's so cheerful and fun to wear. I am 5'3" and 112 pounds, the small fits me perfectly.

G
Gianluca Baldin
SUPER

Great product! I use it not only backpacking but climbing/mountaineering, too.
Always protected all around, no sun cream!
Super advised!

B
Brian McLaughlin
Light and breathable, but delicate

I’ve only used it a few times, but here are my initial thoughts. IIt’s marvelously light and very breathable. Sweat was wicked away and dried almost instantly. The first day I was out in it was in the 90’s and the lightness, breatheability, and coverage were very good. Ultralight gear comes at a price, though, and I had several snags at the end of that first day. My only other complaint is that the fit is short in the arms and hem.

S
Sam Schalberg
3.5/5. Great shirt and very lightweight but not durable.

Id give it 3.5 if I could. It’s a nice material and very lightweight. I wore it with a backpack though and it got a bunch of snags on it where the pack sat. Disappointed to see it break down so easily. Nice shirt otherwise! Will definitely continue to use it but now it just looks a bit rough.

W
Wanda Bamberger
These are a favorite of mine

These are a favorite of mine. Very light weight and not too delicate. Long enough sleeves for me…I’m 5’11”, size M. Love the new yellow color too.

  • Brand Story

    From humble beginnings to now - find out what makes us who we are & how we are contributing to the outdoors.

  • Design Philosophy

    We don't just go for the lightest design. Find out what makes OV different & what "Performance-First" actually means.

  • Live Ultralight Membership

    Essentially a free savings account for gear that gives you year round discounts...