3mm premium 90% SCR neoprene + 10% imported nylon, eco-friendly, high-elastic, has a remarkable thermal insulation performance and a long life span, ideal for 70-77℉. Flat-lock stitching is comfortable enough for all-day wear. Classic black color neoprene with purple stitching, stylish and beautiful, specific streamlined design for ladies make your figure look slim. Heavy-duty metal back zipper with an extra-long leash, easy to put on and take off, and with an extra neoprene piece behind the zipper, can lessen water leakage. Unique triangle full coverage on back collar with dedicated Velcro which would not hook cloth, easy to adjust and less water flow in. Knee pads provide extra strength. Specifically designed for diving, snorkeling, surfing, and other water sports or outdoor activities 30-DAY MONEY BACK GUARANTEE. You can contact us if you have any problem.