The low-profile Backbone Tank A 2.0 delivers comprehensive and safe back coverage with the added bonus of a hydration bag compartment, plus tube routing and velcro fastening straps for secure storage. The back protector is made from ACF foam which is both lightweight and highly shock-absorbent to protect against the worst of slams, while an ergonomic, conformable fit delivers premium security and comfort however hard you ride. 3D Mesh adds breathability for all-day ridablity and customizable, low-profile, padded shoulder straps guarantee that the Backbone Tank A 2.0 fits firmly and comfortably, even when worn under a rucksack. There is also a velcro-sealed storage pocket in the waist belt and an additional open pouch on the back to store lift pass and other bits and bobs needed for sessioning the hill.