Hydrate fast on longer rides with this stable lumbar-style bike pack featuring an integrated low-profile Hydraulics™ 1.5L LS Reservoir and magnetic bite valve attachment. Ride comfortably with a bike-specific airmesh wrap hipbelt and close-to-body AirScape™ backpanel. Dual hipbelt pockets hold snacks while vertical straps secure a chin guard or extra layer for added versatility.