The 4400 Porter Backpack, a favorite among ultralight backpackers rafters and climbers is Hyperlite Mountain Gear's largest, most minimalist backpack for week-long adventures. With a capacity of 70L, the Porter has plenty of room for weeks on the rivers or in the Alps. Hyperlite Mountain Gear made this backpack from the same Dyneema fabric which is used in climbing equipment which ensures durability and lack of weight.
Unique to Hyperlite Mountainan Gear, Porter's Dyneema Hardline suspension system wraps around the shoulder straps and lumbar area. Foam-padded strap and back panel with mesh separation for breathability and comfort plus internal frame and removable aluminum supports for stability when you need it. The Porter features a rollover closure and taped seams to protect against wet weather and snowy surfaces.. There are also garland mounts for ice axes and other climbing equipment and zippered pockets for valuables and electronics.