Overview When the trail steepens and mercury rises, this breathable 18L day pack is built to keep you comfortable with its innovative ventilated back system. Fully featured and offering body-hugging stability, it's ideal for day hikes in hot temperatures. Features AEROFIT™ carry system Panel loader with zipped entry Zipped top pocket with key clip Stretch front stash pocket with light loop Stretch mesh water bottle side pockets Walking pole attachment loops with bungee retention system Chest strap storage for on-the-go access to a soft flask and essentials Hip fins with rear pull adjustment Internal sleeve suitable for a 2L hydration bladder with H2O port Rain cover for complete weather protection Materials 140D nylon (69% recycled) with yarn dyed nylon 210D rip stop 420D Nylon Embossed 200d Polyester (100% recycled) 35% Nylon, 65% Polyester woven back pack Weight 730g/1lb10oz (Size M/L) Specification M-L 19-20"/46-51cm AEROFIT™ 18lt / 1098cu.in Post Catalog Revisions Raincover colour is being updated to cider (bright green), see image. Back panel and stash printing colour and gradient will be improved. Lining on stash pockets will not be visible. Base rear shaping will be improved. Black - Black fabric colour matching will be improved. Mulberry - Harness hibiscus webbing will be black