Rip Curl Mens Omega 4/3mm Wetsuit For1 The Ripcurl Omega Mens 4/3mm for winter is now made from 100% super stretch neoprene, for those of us on a budget the omega provides a high quality warm and flexible wetsuit for under £150!!!..... This year the wetsuit has the added bonus of Rip Curl\'s E5 neoprene in the upper body and shoulders, which is their lightest and most flexible material. It means now that you have the movement in the upper body was only in the high end suits. The lower body is now comprised of E3 neoprene and E5 taping on the critical seams, meaning more comfort, flexibility and longevity in the suit.  Featuring   E5 neoprene in strategic panels E3 superstretch in lower body E5 taping on critical seams Smooth Skin - Chest & Back Panels for wind proofing. Hyroloc Collar - Adjustable collar to seal the neck and prevent water flushes.