mens drylock x x2 5 4Introducing the Drylock X X2 5 4 The Drylock X is our model for those who don't want to compromise on the water. The high quality materials guarantee maximum comfort, stretch, and warmth. The new Celliant Black inner lining provides an unprecedented feeling of warmth. Celliant Black As soon as the skin comes into contact with the Celliant Black inner lining, the capillaries open, resulting in increased blood flow. The infrared process heats the water