Sherwood scuba's shadow BC provides a hybrid aircell design offering maximum utility and convenience. The shadow aircell gives you the added lift and freedom of a back mount BC, as well as the surface stability of a jacket style without the added bulk and remains streamlined. The shadow is a favorite of instructors and divers everywhere. Features include: large air cell provides significant lift capacity (32-46 lbs.), Four pre-bent stainless steel d-rings at the shoulders and waist streamlined accessory attachment options, cqr-3 weight release system for easy insertion and removal of weights, two zippered pockets, padded neoprene neckline for added comfort, plush interior lining, two non-releasing and hydrodynamic trim weight pockets, removable and adjustable sternum strap, AKONA pro kit ready.