Features of the Exped Black Ice 30 Pack Waterproof, minimalistic, roll top alpine pack Direct load transfer due to Slim cushioned backpad Sophisticated construction Techniques save weight Daisy chain and ice axe loops for straight-forward tool/gear attachments Generously long top compression strap with Rapide alloy hook Weatherproof outer zip pocket holds maps and more Durable fabric - white inner coating for bright interior Fold the top flap once and hook the carabiners to the side daisy chains Seal is rainproof but allows quick and easy access Clean, single compartment pack in a very versatile size Slim shape puts the center of gravity close to the body for superior load control Ideal load distribution at all times even when partially full Compression strap also double functions as top ski attachment loop Skis can be carried in A-frame mode