Lighter, Faster, Stronger: Designed with speed, versatility and durability in mind, the Radix 31 is a lightweight hiking backpack sure to delight the ardent peak bagger and ambitious day hiker alike Your Essentials, Close at Hand: Easily compressible front and side pockets can handle your lighter layers and water battles, while hydration reservoir compatibility and a removable pocketed waistbelt ensures you're ready for anything on the trail Rugged Durability: The lightweight framed harnessing and a construction from technical Ultra-PE Birdseye and a durable, recycled Robic Ripstop fabric keeps the edge off grueling ascents without sacrificing toughness Built for the Mission: How you spend your time is who you are, and at Mystery Ranch, we spend our time making the best daily bags and load-hauling backpacks in the world; Our packs have a job to do, and we make damn sure they’ll do it right—all day, every day Built for the Long Haul: We recognize the urgent need to minimize our environmental footprint and are committed to extending the lifespan of our packs, prioritizing preferred materials in our product range, and collaborating across our supply chain to reduce greenhouse gas emissions