Xcel Comp 4/3mm Men\'s Chest Zip Wetsuit The Xcel Comp 4/3mm Chest Zip Wetsuit has had an upgrade for winter so the new neoprene is lighter and more flexible than ever. It feels super soft to the touch and when on feels so comfortable you won\'t want to take it off. The Comp is also thermal lined which is a material like thermal underwear to retain body heat and keep you warmer in the water for longer. At this price it really is worth considering and you will not be disappointed. This really is such a good winter wetsuit and the best selling in the Xcel range. Being a 4mm wetsuit also makes it a great all year round suit for those that are in the water from April till December in UK waters. Another big plus point is Xcel have also considered the environment by using limestone neoprene & water based glue for the seams FEATURES ENGINEERED FLEXIBILITY AND LIGHTWEIGHT WARMTH UPDATED FEATURES • NEW ULTRA FLEX • NEW ENTRY • NEW 1-PIECE FRONT AND BACK PLUSH THERMO LITE CHEST TO KNEE 100% ULTRA FLEX – HIGH PERFORMANCE NANOPRENE LITE JAPANESE LIMESTONE – LIGHTER, SOFTER, WARMER GLIDE SKIN COLLAR – PREVENTS FLUSHING DOPE-DYE YARN – SOFT, ECO-FRIENDLY ANTI-FADE WATERTIGHT ZIPPER – KEEPS WATER OUT ENGINEERED FIT SYSTEM – FITS LIKE A SECOND SKIN ONE PIECE FRONT AND BACK PANEL TRIPLE GLUED AND BLIND STITCHED SEAMS REINFORCED FUSIONX TAPED STRESS POINTS WATER-BASED GLUE