The Drylock 4/3mm Chest Zip Fullsuit Wetsuit has been designed with a Channel Flex upper body composed of second-generation Celliant Black High Pile with Hollow Fiber Chest and High Pile Celliant Black Jacquard Sleeves and Lower Body, as well as 100% UltraFlex Lower Body and Nanoprene Lite Japanese Limestone. Additionally, this product features an Easy Entry System, Semi-Dry Zipper with Magnetic Closure, Engineered Fit System, Drylock Wrist Seals, and Back Knee Flex Grooves. It is constructed with Triple Glued and Blind Stitched Seams, FusionX Tape, and Nexskin Ankle Seals. Water based glue is used throughout.