Featuring Butyl Polyester Trilaminate fabric which gives the diver comfort and superior mobility to any other dry suit on the market. The material is highly durable with six-layer, puncture-resistant Butyl rubber interply laminated between high-strength polyester frabic. Watertight and gastight 900 mm Dynat zipper. Heavy-duty latex wrist and neck seals. Integrated boot with extra traction soles. Polyurethane-nylon reinforcement panels on knees, shoulders and seat. Power inflation valve/over pressure exhaust valve