Revolutionary Power Air technology utilizes intense air cavity expertise to create a lighter weight, shock absorbing, energy release foam technology to help take your training to the top. An assemblage of multi-layer high and low density foam padding is inner-dispersed with targeted "air release" cavities for an amazing training necessity that delivers incredible results round after round. Incredibly light weight for very comfortable uninhibited use during training. Extra tough braided nylon mesh cover is super durable and manufactured to last. Moisture wicking inside liner is ideal for all training needs. Fully adjustable chin strap, top lace and hook-and-loop back for a snug custom fit for all users.