This lightweight Fastpackher 20L is specifically for women and fits like a vest with water bottles up front, but distributes weight like a pack. It allows you to carry a fair bit of kit but allows freedom of movement so you can move faster and easier on the trail. With it's new Infiknit™ and FastFlow technology it breaths and wicks well, adding to the comfort and it 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 food Two large side pockets for larger water vessels Unique zip-down main compartment for total access to gear Roll-top closure expands or compresses to secure varying capacities Large external stretch mesh pockets for quick access Sliding rail sternum straps Height adjustable T-hook harness for weight distribution Easy access pocket with keyfob MonoRip Mesh is very strong, but extremely breathable. Daisy chains for securing extra gear SPECS Volume: 23 L / 1373 in3 Torso Size (M/L): 23-49" / 60-125 cm Dimensions (L x W x H): 16.5" x 8.5" x 7" / 41.9 x 21.6 x 1 .8cm Weight: 19.8 oz / 560 g No. of Exterior Pockets: 8 Reflectivity: Yes Reservoir Compatible: Yes MATERIALS 100% polyester