When you compare our external frame packs to some of our competitors, you'll quickly notice that you get more features for a lower price with ALPS... without sacrificing quality. As ALPS's reputation for quality packs has grown, we've had numerous requests for external packs. The Bryce has 3600 cubic inches of space and has a sleeping bag compartment and top loading access. There are various pockets to keep your gear organized and important items handy. The padded shoulder straps have multiple positions so you can adjust the pack to fit your body. The combined features of the Bryce make this pack top of the line.