evo.com | Herschel Supply Co. Day Packs > The Herschel Supply Co. Ultralight 22 L Backpack weighs just 12.3 ounces but packs serious functionality with Ultralight ripstop fabric, built-in hydration system, and safety features including reflective details, removable waist strap, and sternum strap with rescue whistle. The spacious main compartment handles extended outdoor excursions, then compresses for compact storage when you're done. Front Storage Sleeve 94% Nylon / 6% Polyester 18.00"(H) x 10.25"(W) x 5.25"(D), 22.0L Abrasion-Resistant Nylon Webbing Reflective Tabs for Enhanced Visibility | Herschel Supply Co. Ultralight 22 L Backpack 2027 in Black | Nylon/Polyester