A favorite for moving fast and light in the backcountry or on the trail. This lightweight, women's-specific fit FastpackHer allows you to move fast in the backcountry with a durable design that checks all the feature boxes. True to our roots, it uniquely fits like a vest with water bottles up front, but distributes weight like a pack. We gave it an upgrade with Infiknit? and FastFlow technology to increase the backpanel's breathability and moisture wicking. This do-it-all pack also has plenty of dedicated external storage, a roll-top opening and a full-side external zipper for easy access to anything inside. FEATURES Large front storage for water, phone, maps, glasses, or foodTwo large side pockets for larger water vesselsUnique zip-down main compartment for total access to gearRoll-top closure expands or compresses to secure varying capacitiesLarge external stretch mesh pockets for quick accessSliding rail sternum strapsHeight adjustable T-hook harness for weight distributionEasy access pocket with keyfobMonoRip Mesh is very strong, but extremely breathable.Daisy chains for securing extra gearSPECS Volume: 23 L / 1373 in3Torso Size (M/L): 23-49" / 60-125 cmDimensions (L x W x H): 16.5" x 8.5" x 7" / 41.9 x 21.6 x 1 .8cmWeight: 19.8 oz / 560 gNo. of Exterior Pockets: 8Reflectivity: YesReservoir Compatible: YesMATERIALS Primary/Body: 100% Polyester