Thermo Dry Celliant Currently the most advanced wetsuit lining on the market and warmest Xcel have ever created TDC is designed to recycle your body-heat into infrared via its Smart Fibre technology. The Infrared created from this revolutionary design has a number of benefits including unparalleled warmth stamina enhancing increased recovery time and enhanced performance. Not only is it ridiculously warm and lightweight TDC absorbs less water than regular linings and dryâââ€š¬s in phenomenal time. Truly one of the warmest wetsuit linings on the market Thermo Dry Celliant is a game changer for performance wetsuit and has the ability to take your surfing to the next level. :: Men > Wetsuits. Pressure Bonded Seams: A glued & blindstitched seam using pressure to\n bond panels for a highly durable yet still flexibleTexture Skin: Embossed rubber that provides excellent wind resistanceGlued & Blindstitched Seams: Fully sealed. maximum stretch seam construction\n that keeps water outFit: A two-layered neck with outer UltraStretch neoprene and an inner\n SmoothSkin lined dam for the best fit when layeringTDC Thermo Dry Celliant: Xcel's warmest lining to date. converts body\n heat into usable infrared energy for greater warmth Size: X-Large,XS,Medium,Small.