REVEL 8L unisex hydration backpack.

Has a 8 liter bladder inside you fill with liquid to drink can put ice hole is big enough has a spot to keep stuff in main pocket and a secondary pocket lower down slightly smaller with organizer flap and clip inside one Velcro strap, a smaller coin pocket at top. A hole on the shoulder strap for tube to come out and drink with easy access. Squeeze mouth piece for a drink then it closes shoulder strap has 2 clips one across chest the other around waist. Backpack is light weight shoulder straps adjustable. And a stretchy pull cord with a clamp on the outside to strap something to or tighten up the bag.unisex bag