Xcel Comp X 5/4mm Chest Zip Men\'s Wetsuit 2021 The Xcel Comp X 5/4mm chest zip wetsuit is a very high perfeormance and warm winter wetsuit for Men. So in terms of flexibility you benefit from the suit being fully channel flex neoprene which gives you unrestirced stretch in the suit. This is an upgrade for 2021 and the huge benefit of incredible stretch is that when you move the suit moves with you which will keep you warm as the suit fits better and you get less tired thus being able to stay in the water for longer.  In terms of warmth the suit has TDC celliant thermal lining from the neck to ankles which retains body heat and enhances blood flow keeping you warmer for longer even in the coldest of winter days. This really is stat of the art thermal material so not only do you get free movement you stay as warm as possible. All in all this is a winter wetsuit for those that are serious about there water sport and want to enjoy it for as long as possible even in the winter months. FEATURES INCREASED BLOOD-FLOW WITH ULTIMATE FLEXIBILITY UPDATED FEATURES • ALL CHANNEL FLEX CHANNEL FLEX – WEIGHTLESS, UNRESTRICTED STRETCH TDC CHEST TO ANKLE – THERMO DRY CELLIANT THERMAL LINING FOR RETAINED BODY HEAT AND WARMTH 100% HIGH-PERFORMANCE STRETCH – COMFORT AND PERFORMANCE NANOPRENE LITE JAPANESE LIMESTONE – LIGHTER, SOFTER, WARMER GLIDE SKIN COLLAR – PREVENTS FLUSHING EASY ENTRY SYSTEM – BALANCED SHOULDER DESIGN SEMI-DRY ZIPPER – MAGNETIC CLOSURE – KEEPS WATER OUT ENGINEERED FIT SYSTEM – FITS LIKE A SECOND SKIN ONE PIECE FRONT AND BACK PANEL BACK KNEE FLEX GROOVES – PREVENTS BUNCHING TRIPLE GLUED AND BLIND STITCHED SEAMS FUSIONX TAPE – HEAT-PRESSURE BONDED SEAM PROTECTION NEXSKIN WRIST & ANKLE SEALS – MINIMIZES FLUSHING