The Prolimit Sup 1.5mm Long John with Zodiac lining keeps you protected from splash water while keeping your legs warm. It features breathable heat regulated airmax ventilation panels on legs and sides to prevent overheating. Wide arm openings and stretchy Airflex 550+ side panels increase arm and shoulder movements while paddling. They also have zodiac lining on the inside for extra warmth. Construction: Elastic Waistband Airmax Vented Panels: Perforated neoprene panels for regulating your body temparature Flatlock Construction: Flatlock seams are used on summer suits and rashquards. The stitching goes through both layers of neoprene which overlaps for maximum strength on thinner materials. Back Pocket Heat optimized materials to keep you warm and comfortable Zodiac2 plush inside lining Neoprene: 1.5mm Size Height Chest Waist Small 5'7"-5'9"171/176cm 38"-40"96-100cm 30-32"75-81cm Medium 5'8"-5'10"173-178 40"-42"100-106cm 31-34"80-86cm Large 5'9"-5'11"177-181cm 42"-44"106-111cm 33-36"85-91cm X Large 5'10-6'1"178-186cm 44"-46"111-116cm 35-38"90-96cm