Seac Ego is a traditional BCD highly resistant to abrasion, entirely manufactured in 1000 Denier Cordura. It is equipped with 4 stainless steel D-rings, two stitched on the shoulder straps and two stitched underneath the side pockets for hanging all your diving accessories. Seac Ego is available in 7 sizes covering all divers from the youngest to adult. The sternal strap has a two position adjustment. BUOYANCY: XXXS 9.7kg; XXS 9.7kg; XS 10.2kg; S 11.2kg; M 15.3 kg; L 17.3 kg; XL 18.3 kg. WEIGHT: XXXS 2.8 kg; XXS 2.8 kg; XS 2.8kg; S 2.9 kg; M 3 kg; L 3.1 kg; XL 3.2 kg. Seac Ego also has 3 exhaust valves.