About this item MATERIAL: Our neoprene vest is made of 3mm premium neoprene and eco-friendly nylon, keep you warm and allows you to move flexibly in cold water. FRONT ZIPPER DESIGN: Heavy Duty front zipper can will provide years of trouble free use. The inner neoprene cloth behind the zipper effectively lessen water and sand penetration. APPLICATION: Wear this wet suit vest alone to prolong your dives in tropical waters or pair it up with a fullsuit to increase core warmtn in more temperate waters. Perfect for surfing ,diving ,paddle sports , windsurfing, lake activties and other water activities. FLATLOCK STITCHED:The flatlock seams provide a smooth interior and exterior surface to ensure your maximum comfort and durability. CHOOSE THE RIGHT SIZE: Please refer to the size chart befer you choose the right size.If you can not make sure which size is suit for you,please contact us to get a recommendation.