XCEL . THE DRYLOCK SERIES: UNMATCHED WARMTH AND PERFORMANCE. The Drylock series is the warmest, most comfortable suit in the Xcel lineup, made for the most extreme of conditions. Drylock X offers all the same great features as the Drylock, with 3 extra features; expanded range of the Celliant Black, Stitch Free Power Seam Technology, and the 100% waterproof Zipper system. . 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