a hanger loop and a ventilated 3D mesh on the straps improve functionality

Lightweight compression moulded PE base

They are tough

DebonAir+ provides more small-bump sensitivity and tunable mid-stroke support

well-ventilated AIR PAD back padding

Osprey Berm 4 Pack - Black - 4L Pack - 2.5L Bladder PDP|Option a hanger loop and aA versatile volume for any ride, this streamlined bike hydration pack keeps water close, essentials secure and comfort high. Featuring an included, low profile Hydraulics LS 2. 5L Reservoir, magnetic bite valve, front shove it pocket for extra gear, built in tool organisation and an AirScape backpanel that provides close to body ventilation. Features Separate reservoir compartment with easy access S shaped zipper Included Hydraulics LS 2. 5 L