Lightweight waterproof backpack cover, built to keep your pack and its contents dry when a storm strikes. With a back retention hook to keep it in place in high winds, the cover packs into itself for storage when rainclouds clear.Features :- lightweight raincover with elasticated drawcord around the edge- foldover packaway pocket- tether hook for easy compatibility with rab packs- back retention strap to keep it attached to the packspecification :- to fit pack size: s: 25lt-35lt m: 40lt-60lt l: 65lt-85lt