Using the latest Rip Curl E3 Technology which is one of the stretches materials on the market giving you comfort and warmth.Glide Skin Neck which prevents neck rash.3/4 Grid Loc Zip for minimal leakageSeamless Shoulder PanelsCritically Taped at seam juntions & stress areas100% FlatlockedAdjustable CollarExternal Stash Zip PocketMore Mens Summer Wetsuits