Genesis Cobra BCD's: Genesis designed with Trim-weight pockets for good attitude in the water Cobra has 1000 denier ballistic nylon construction, very tough 6 welded stainless steel D-rings for all your accessories Adjustable & removable sternum strap for fit and comfort Zippered mesh accessory pocket built into the cummerbund. Padded, integrated HalfPack™ frame for custom comfort Rear pull dump for added safety 2 large expanding pockets Size X-Small thru X-Large