Detailed Product Description 3-7mm PyroStretch neoprene gives incredible stretch for a custom-like fit Glideskin neck, wrist, and ankle seals Glued and blindstitch construction inside and out for a watertight seal Pro-Style adjustable neck XS Scuba molded rubber kneepads Heavy-duty #10 YKK back zipper with cold water flap YKKs best marine bronze zipper slider Available sizes:6, 8, 10, 12, 14, 16