* Back protector is removable and replaceable* Attachment System for: helmet (XC, full face)* Quick-access tool compartment * Hip belt pockets* Nutrition pocket on the right shoulder strap* Accommodates hydration Systems up to 3L (not included)* Material: N 210D Ripstop HD, 3D Air Mesh, Airo Flex* Volume: 10L* Size: 26 x 51 x 8cm (10.2 x 20.1 x 3.1)* Weight: 970g (2.1lbs)