Xcel Size Chart Xcel's most advanced wetsuit now features even more TDC Thermo Dry Celliant, Xcel's 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 Drylock, TDC is featured in a plush wave pattern high pile in the front and back torso from the upper chest to the knees, and in an infrared print low pile in the upper body and lower legs. The Drylock is also the only fullsuit with a 100% waterproof zipper, stitch-free FusionWeld seams, and full water-repellent Quick Dry Fiber exterior. A two-part SmoothSkin hem seal and innovative magnetic zip closure, and inner Thermo Dry seam tape are just a few more of the many features that make the Drylock Xcel's most advanced fullsuit series ever. Features: - Japanese limestone nanoprene - All new celliant black - Enhanced blend of minerals for heat retention - Waterproof zipper with magnetic closure - Supple quick dry fibers - Engineered fit system - Drylock wrist seams - New FusionX tape with print - NexSkin ankle seals - Glide skin collar - Back knee flex grooves - New sleeve design - 100% ultra stretch - Dope dye yarn