SSI Extended Range Second Stages helping maintain core warmth and

helping maintain core warmth and improving circulation during dives

Built to meet DMAC and IMCA standards

making it an ideal choice for recreational and professional divers alike

Choose the 5MM Ultrawarmth Boot in Black for dependable warmth

Secure Fit - Ergonomic shaping with a reinforced zipper makes donning and doffing easy

SSI Extended Range Second Stages helping maintain core warmth andExtend your dives to much longer or deeper dives using our specialized techniques. You will need your own total diving system, or you can rent one of ours. This class may be taken with a single cylinder and one pony or with two cylinders and one pony.