The extremely lightweight 4400 Southwest backpack is designed for remote, multi-sport trips to inhospitable regions, where resupplies are infrequent. Made from 100% waterproof Dyneema® Composite Fabrics (formerly Cuben Fiber) and with additional elastic frame sheet support for extra load carrying capacity, this ultralight pack is highly durable.
With an interior volume of 4400 cu. in. (70L), you can carry everything you need for adventure.