5/4/3mm Men's Quiksilver Syncro Full Wetsuit - Size Medium / Tall (MT) Water temperature rating of 48 degrees for surfing, 60 degrees for SCUBA Sealed seams keep the cold water from trickling in Adjustable neck and welded kneepads 100% superstretch neoprene - What a bargain! Anti-flush zipper gasket (hydroshield) to keep cold water from entering zipper and touching skin