Osprey Berm 4L Biking Backpack with Hydraulics Reservoir - Lightweight Hydration Backpack for Men and Women, Pediment Grey/Dust Print

["STREAMLINED BIKE HYDRATION: Designed for gear-light rides, the Osprey Berm 4 offers a 2.5L reservoir and breathable AirScape backpanel for hydration and comfort on the go","RESERVOIR INCLUDED: Enjoy hydration at your fingertips with a magnetic bite valve attachment and easy-fill, S-zip access to the included Hydraulics LS 2.5L Reservoir","STABILITY & ALL-DAY COMFORT: Breeze down the trail with a ventilated bike-specific harness and a mesh-covered ridged foam AirScape Backpanel","ESSENTIAL BIKE FEATURES: Secure small items in a zip pocket with key clip, and stay visible with reflective details and a blinker light attachment (light not included)","AIRSCAPE BACKPANEL: Mesh-covered, ridged foam (50% recycled EVA) provides stable, close-to-body load carry, cushioning and ventilation","ONE SIZE, UNISEX FIT: Offered in a one-size, unisex fit designed for a range of body types, with a bike-specific harness that enhances comfort in a riding position","ITEM DIMENSIONS: 15.4 x 7.5 x 5.5 in / 39 x 19 x 14 cm ITEM WEIGHT: 0.97 lb / 440 g"]