Xcel Wetsuits top selling Infiniti Comp is now available in a 4.5/3.5 mm with hood and TDC (Thermo Dry Celliant), their warmest wetsuit lining ever! TDC's clinically proven Smart Fiber Technology recycles your body heat into infrared energy for maximum warmth and enhanced performance. In the Infiniti Comp, TDC is featured in an infrared print low pile from the upper chest all the way down to the ankles. The most flexible of all Xcel fullsuits, the Infiniti Comp gets its name from the large front and back ''comp''(etition) ready panel that has zero seams from the upper chest to the knees for maximum range of motion. The Comp is also extremely lightweight and fast drying, with ultra-premium V Foam.