This is the Henderson Men&';s 3mm Thermoprene Front Zip Long Sleeve Shorty Wetsuit Features: The ultimate in utility, this Long Sleeve Jacket is most often paired with a john or jane for full-length protection and outstanding core warmth, but worn alone it&';s an ideal companion for warmer conditions. The use of high-quality, compression resistant neoprene insures it will keep you warm dive after dive and a higher-stretch quotient than standard neoprene makes donning and layering a breeze. The ultimate in utility, this Long Sleeve Jacket is most often paired with a john or jane for full-length protection and outstanding core warmth, but worn alone it&';s an ideal companion for warmer conditions. Long sleeves increase both warmth and abrasion protection from diving&';s natural bumps and scrapes. Available in three thicknesses, this Shorty/Jacket can be mixed and matched with any other suit to accommodate a wide range of diving conditions. The use of high-quality, compression resistant neoprene insures it will keep you warm dive after dive and a higher-stretch quotient than standard neoprene makes donning and layering a breeze.