Crumpler Volume Rebate Travel Bag (Black/Teal) THREE STORAGE ZONES: Zippered shoe bag holds a pair of mens runners; Zippered shirt bag holds up to seven t-shirts or five business shirts; Drawstring sock tube holds up to five pairs of standard mens socks or up to ten pairs of ankle socks HOW THE SOCK TUBE WORKS: You simply stuff and retrieve clean socks at the coloured end, and stuff worn pairs at the opposite end. A floating floor keeps them separate, the dual drawstring closures keep them in place. HOW THE SHOE BAG WORKS:Load in your shoes, squeeze out any trapped air via the end vent, then stow away in your luggage. Next stop Hawaii.