About This

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