Youth Bionic Tech JacketThe jacket features a detachable floating Polyhedral Hybrid Technology chest protector, an adaptive viscoelastic back protector, and contoured bio foam rib guards with a race proven stretchable mesh base layer to ensure superb freedom of movement while offering superior upper body protection The easy on off design of the detachable chest and back protectors, in combination with the base layer's central zip enhances the practicality of this jacket,