Henderson Man 3mm Thermoprene Zipper Vest Scuba Diving Wetsuit The Material Combination Delivers Greater Flexibility and Durability High Compression Resistance All Seams Are Glued and Blind Stitched 3 mm Thermoprene; Anatomically Friendly with a Front Zipper Ideal for Tropical Layering and for Use Under a Wetsuit for Cold Water Layering For proper care, after every use rinse with fresh water &amp; hang it out to dry Occasionally hand wash your product with a mild wetsuit cleaner or mild dish soap Do not machine wash, dry clean, or bleach Do not hang or leave your vest in direct sunlight for extended periods of time Do not put in the dryer Chlorinated water will fade fabric Always store in a cool, dry place