Klim Krew Pak Large main compartment Top loading, fleece-lined goggle pocket Large accessory pocket External shovel blade storage Side probe storage Separate back loading hydration compartment 3 liter klim hydrapak hydration reservoir included 1 external hydration exit port 1 fleece-lined internal shoulder strap hydration storage with zippered opening Secondary storage pocket with sleeve for tool pouch Side shovel handle storage 2 side pockets Quilted padded back panel Padded shoulder straps Sternum strap with integrated whistle Padded waist straps with comfortable narrow lumbar connection 9 deep x 14 wide x 20 tall Removable tool pouch 1 elastic loop tool organization Zippered stash pocket Hydrapak reservoir features 3 liter [100 oz.] hydration reservoir Push button quick release hose connection (bladder and hose can be separated allowing bladder to be removed and hose to remain threaded through pack) Fold and slide wide opening for easy cleaning/filling (can pull inside out for cleaning and drying) 48 pinch-resistant heavy duty drink tube can be cut to desired length Constructed of FDA approved polyurethane Anti-microbial Extremely tough Straight valve high flow rate mouthpiece with 360 degree bite One-handed locking on/off positions BPA and PVC free allows taste-free water