K2 Sports Girl's Varsity Social 2012 Backpack (Black/Pink) This 15 litre main compartmnent will give you plenty of storage, it has an internal computer sleeve, quick stash top pocket, front panel velcro pocket and side pockets MP3 Port Adjustable front compression panel gives you plenty of versatility to carry off shaped items, or stuff you just don't want to carry in the main compartment, like your smelly shoes Tuck-away external skate carrier correct comfort shoulder straps for easy adjustability for the fit you demand from K2