VERVE 13 Mountain Biking Trail Running Day Hiking.The largest volume in the Verve series, the womens specific Verve 13 has a front stretch mesh pocket, interior dividers in shove it pocket that creates three separate compartments and a lower compression strap to pull weight close to the body. With these extra features the Verve is the pack best suited for 3 hours plus of riding with the added capacity for extra food, layers and tools. This hydration pack is also ideal for longer trail runs and day hikes. AirScape backpanel with perforated foam provides cushion and ventilation. Ventilated harness is light and breathable. 20mm webbing hipbelt keeps packs stable. Unique new hydration sleeve design with direct access zip for fast loading. LidLock clip quickly secures helmet. Versatile front shove it pocket for quickly stashing extra gear. Main compartment with sleeves for pumps. Top zip access sunglass pocket with protective embossed fabric. Blinker light attachment patch and reflective graphics for safety. Magnetic sternum buckle for quick access to the reservoir bite valve.