4/3mm Quiksilver Syncro Mens Wetsuit ALL NEW Model! The LATEST Syncro series welcomes many NEW features that sets it a part from other wetsuits in it's price range. The First the NEW Syncro uses 100% Hyperstretch II neoprene throughout the entire wetsuit making it 18% more flexible that comparable wetsuits in it's class! Secondly, this new Syncro has a HYDROSHIELD water barrier, it is located behind the zipper to keep water out and you nice and warm! Good bye flushing at the zipper! This is an exceptional new feature for the Syncro! So you get more, pay less and play longer! How awesome is that! This video is on the 5/4/3mm however, the 4/3mm and the 3/2mm are constructed identically with the exception of the thickness of the neoprene. These are the GBS (gluded & blind stitched) models. The Mens Quiksilver Syncro 4/3 incorporates 4mm neoprene in the chest and back to keep your core warm and now features the HFT Heating System - hollow fiber technology in the chest panel for added warmth! The 3mm neoprene is used in the shoulders,legs and arms to maximize flexibility. Truly the men's Quiksilver Syncro is a fantastic multi-sport wetsuit and an unbeatable price. Excellent for Surfing, diving, wakeboarding, and more!