Xterra Sleeveless Wetsuit. Minimal wear and tear, like new. Used for cold season kayaking, so it's never had much use in the water! brand: xterra size: medium long color: black Comment with any questions that you may have! Happy Shopping:) " Buoyancy Front: 3mm thick neoprene from neck to ankles Back: 2mm thick neoprene from neck to ankles The Volt Sleeveless is the ultimate basic training and entry-level wetsuit, though you'll find it on the back of some of the strongest swimmers in the water. It is ideal of shorter swims of 1.2 miles or less, or longer swims in salt water or if you're a better swimmer."