* 2L hydration System included* Emergency plan (integrated)* Attachment System for: helmet (XC, full face)* Tool compartment (separate, quick access)* Material: N 210D Ripstop HD, 3D Air Mesh* Volume: 6L* Size: 23 x 44 x 6cm (9.1 x 17.3 x 2.4”)* Weight: 640g (1.4lbs)