XCEL . Unmatched Warmth and Performance. The Drylock series is the warmest, most comfortable suit in the Xcel lineup, made for the most extreme of conditions. This series offers water-tight construction with unparalleled warmth. The Drylock offers Celliant Black in the Core, Ultra Stretch infrared to maximize performance, and Channel Flex exterior to create the highest-level warmth and performance in our 4/3mm wetsuit. . MATERIAL: - Channel flex upper body . - Second generation celliant black high pile w/hollow fiber chest . - High pile celliant black jacquard sleeves and lower body . - 100% ultraflex lower body . - Nanoprene lite japanese limestone . - Glide skin collar. . DESIGN: - Easy entry system . - Semi-dry zipper w/magnetic closure . - Engineered fit system . - Drylock wrist seals . - Back knee flex groves. . CONSTRUCTION: - Triple glued and blind stitched seams . - Fusionx tape . - Nexskin ankle seals . - Water based glue