The Drylock features revolutionary TDC Thermo Dry Celliant, Xcel's warmest inner lining ever. TDC features mineral-enhanced smart fibers that recycle body heat into infrared energy for greater warmth, increased endurance, faster recovery, and enhanced overall performance. The exclusive, seamless, tapered Drylock wrist seals form the ideal fit with your wetsuit and help prevent flushing. Full "Gripper" palms ensure great traction and grip; the Texture Skin outer back hands provide excellent wind resistance. 100% UltraStretch neoprene, with glued & blindstitched seams sealed with outer Taitex for maximum warmth.