Rhyolite Lightweight 45L Internal Frame Backpack
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Rhyolite Lightweight 45L Internal Frame Backpack

  • Removable Hood Converts to Waist Pack: This allows you to drop your heavier gear and have a day use pack! Not only is it highly versatile, but the horseshoe zipper on the hood makes it easy to store and access gear while on the trail or a day hike!
  • Full Length Side Zipper: For easy access to all parts of the backpack, just use the full length side zipper. You can access gear without unloading your whole backpack!
  • Waterproof, Durable Fabric: We designed the product to be extremely lightweight in features and design, while using ultra tough fabrics to make this pack last!
  • Fully Adjustable: The pack adjusts to accommodate all sizes and body styles to get ultimate comfort for all users! With load lifters, adjustable shoulder straps, and more, you can make sure your pack and weight is distributed right. This means you'll be more comfortable on the trail and be more able to hike better!

In Stock 

$119.98 $84.97

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The backpack is designed to be ultra-tough, lightweight and highly usable in the field. We designed it with the idea of only keeping the most important features to cut down on weight while using extremely strong and durable fabrics!

The Rhyolite 45L Frame Backpack was made with the end user in mind. It includes a full length side zipper for easy access to all parts of the backpack without the need to unload your whole backpack, a torso adjustable suspension, which allows this back pack to fit most body types being fully adjustable, a removable hood for use as a fanny pack on day hikes and other smaller trips where you won't want the whole pack, and many other great features! View full list below.


Product Features

  • Removable hood allows you to drop your heavier gear and have a day use pack
  • Full-length side zipper for easy access to all parts of the backpack without the need to unload your whole backpack
  • Torso adjustable suspension can be adjusted to fit those:
    • 45L: up to 18.5 inch torso measurement (better suited for smaller individuals and women)
  • The hip belt is fully adjustable from 20" up to 64."
  • Weight:
    • 45L: 4 lbs 5 oz
    • Removable hip pockets for use with removable hood or to allow for attachment of bear spray or gun
  • 2 side compression straps to secure the load firmly on your back or to help secure belongings to the outside of the backpack
  • Ice ax loops and daisy chain with tie out bungee for securing extra belonging to the pack
  • Oversized center pocket with organization internal pockets
  • Easy pull hip compression straps
  • Hydration compatible
  • Horseshoe zipper on hood allowing easy access to belongings inside of the hood
  • Durable 600D polyester fabric waterproof to 1500mm
  • Strong YKK buckles cut down on weight, but hold up to high pull weights
  • Included rainfly


View the videos below to see how durable the Rhyolite is and also how to adjust the size!

Live Ultralight with Outdoor Vitals

Outdoor Vitals challenges outdoor enthusiasts to “Live Ultralight” through use of premium ultralight products that cut down on waste. Living Ultralight means using premium gear that works in any weather, is easy to pack and won’t slow you down. It means buying less quantity to fill up our earth’s landfills and buying more quality products that are ready for all your adventures. Join with us and start living an Ultralight life full of adventure!

Quality products come down to three simple points, quality components, quality manufacturing and quality designs. We work tirelessly to source only the finest quality fabrics and insulation, develop personal relationships with our manufacturing partners and field test every piece of gear, for a finished trail proven and ready product!

We also know that we've been fortunate while others have not so we donate 1% of revenues to sustainable poverty projects around the world.

Start Living Ultralight now so you can hike more, go further and see the world!

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