Our best selling men's summer wetsuit. With the Impact series you get a great measure of performance and technology at unbeatable value. The Impact series uses Alder's X-Stretch Neoprene on the arms and underarms for the ultimate fit and comfort. You'll also find a super comfortable collar and a genuine YKK zip. Features Single lined torso to prevent wind chill and help maintain inner core body temperature. Flatlocked seam construction. Glideskin adjustable collar for comfort and seal. Dual texture polyurethane kneepads X-stretch on shoulders for free flexible movement. We say: Please refer to the size chart when choosing your size (see pictures for size chart) CARE: Take care of your wetsuit by following these simple instructions:Rinse your suit with fresh water and hang it out to drip dry after every use.Do not use a washing machine or tumble dryer.Do not use bleach on your wetsuit.Do not urinate in your wetsuit.Do not hang your wetsuit in direct sunlight for long periods of time.Do not leave your wetsuit in a damp festering heap.