Proviz Sports Reflect360 100% Reflective High-Viz Highly Water Resistant Backpack/Rucksack, Great for Sports + Cycling FIT: Designed to be fitted to rider's body for full stability. The waist and chest straps on the REFLECT360 Cycling Backpack ensure good stability when it is in use and the easy-release buckles provide a secure, comfortable fit. FULL REFLECTIVITY: Using 100% CE EN 20471 certified reflective material, the backpacks millions of reflective beads helps other road users to identify you on the road at night. The Daily Telegraph: "...almost impossible for other road users to miss" EXTRA: AquaGuard zips - 1500mm waterproof column, adjustable waist/hip & chest straps, webbing haul, gear loops, laptop compartment and a light loop. Compatible with 2L hydration pack + clipped in straw for easy access, reflective mesh side pockets Features Beetle ventilation system that allows air to move more freely around your back so that you can avoid that uncomfortable clammy back feeling! Zip pulls also ensure no fumbling around for a zipper again. SIZING: 54 x 34 cm, CAPACITY: 30L. ***Highly water-resistant material: 1500mm water column