Air Flow Contact System offers perfect back ventilation Attachment System for: helmet (XC, full face), protection gear (stowable) Tool compartment (separate, quick access) Rain cover (integrated) Emergency plan (integrated) Accommodates hydration Systems up to 3L (not included) Material: N 210D Ripstop HD, 3D Air Mesh, Airo Flex Volume: 18L Size: 28 x 50 x 12cm (11 x 19.7 x 4.7â€) Weight: 900g (2lbs) 
