The Infiniti OS EZ Lock is the easiest on/off back entry fullsuit on the market, with a 100% waterproof, full length back zipper and no inner dam for the ultimate in fast and easy changes. The Infiniti also features TDC Thermo Dry Celliant, Xcel’s warmest wetsuit lining ever, in the front and back torso. TDC’s clinically proven Smart Fiber Technology recycles your body heat into infrared energy for maximum warmth and enhanced performance. In the Infiniti OS EZ Lock, TDC is featured in an infrared print low pile in the front and back torso. The lower body is lined with Quick Dry Lining to improve warmth and overall performance. Additional premium seam and material innovations make the Infiniti series a must-have for staying warm and comfortable in all conditions.