When you don't need to carry much except water and a few essentials, the women's-specific Kitsuma 7 is an ideal hydration carrying solution for bike rides and beyond. A vertical-zip front compartment is big enough for a spare tube, multi-tool, and light windbreaker. Behind it, a separate external sleeve stores an included 2.5-liter reservoir with a magnetic sternum strap attachment for the bite valve. An AirScape backpanel features outstanding ventilation via airmesh-covered foam and a center air channel. A super light and airy harness with rolled, soft edges make for a pack so stable and comfortable you'll barely notice it. Side mesh pockets store things you'll want to access easily, like food or arm warmers.. . . . . Women's-specific fit and sizing. Low-profile design with AirScape backpanel and rolled, soft-edged harness for maximum comfort. Dedicated hydration compartment with included Osprey Hydraulics LT 2.5L reservoir by Hydrapak. Magnetic sternum strap bite valve attachment. Zippered, scratch-free heat-embossed slash pocket. Loop for blinky light attachment (light not included). Dual stretch mesh side pockets. Front panel vertical zip compartment with tool organization. MAIN: 100D Nylon Mini Diamond Shadow. BOTTOM: 600D Polyester. VOLUME: 427 IN3 / 7 L. DIMENSIONS: 17.3H X 6.7W X 5.7D IN.. WEIGHT: 0.77 LBS.. Imported.