Carry what you need without the extra weight. The Classic™ Light is lightweight yet highly durable offers an adjustable fit & comes fully loaded with external features including reflectivity for added safety. Adaptable & comfortable for any length adventure. FEATURES Lightweight & Durable Materials Air Support™ Light Back Panel: Designed with body mapping technology for efficient ventilation & lightweight comfort Ventilated Harness: Lightweight & breathable Integrated Tool Organization Secure Zippered Pocket: Perfect for keys phone or other essentials Bungee Overflow: Quickly stash or shed an extra layer Adjustable Sternum Strap: Offers a range of adjustments for a custom fit & increased stability Tube Trap Management: Keeps your tube secure & accessible when you need it. Light Loop: Clip on a light to make the ride to & from the trailhead safe Helmet Carry: Stow & secure helmet Reflectivity: For low light safety SPECIFICATIONSTOTAL CAPACITY: 4L: 240 CU INCARGO ONLY: 2L: 120 CU INPACK WEIGHT: 190 G: 7 OZCRUX RESERVOIR: QUICKLINK™ SYSTEM FIT RANGETORSO38-53 CM15-21 IN