XS Scuba’s 7mm Pyrostretch Two-Piece Suit is warm and versatile. When you’re diving in cold water you have 14mm of insulation for your body core which will guarantee a warm dive. Wearing the step-in jacket as a stand alone will give you great mobility in temperate water making this a great jacket for cool breath holding experiences. However you use this two piece suit you will be assured warm diving. With 7mm PyroStretch neoprene rubber that gives incredible stretch for a custom-like fit, glued and blind-stitched seam construction, spine pad in farmer john, molded rubber kneepads, heavy-duty #10 YKK zipper with bronze slider all mean one durable and warm suit.