This is the ScubaPro Everflex 1.5mm Women's Long Sleeve Rash Guard Features: Thermal Protection, Nothing Beats Neoprene Rash Guard Keep You Warm while Providing Protection from Scrapes & Stings High-Tech Materials Ideal for Tropical Diving, Snorkeling or Pool Training Made w/Special Water-Repellant, High-Stretch Everflex Neoprene Combination of Fleece and Plush on Inside Warmth, Comfort and Lots of Range of Motion Dry Quickly and Great for Layering Neoprene: Lightweight, Durable, Water Repellant & Highly Efficient Insulator for Heat Retention Assembled Using Solvent-Free Glue, 100% Green Process Plush and Fleece Lining Reduces Water Flow & Provides Both Comfort & Extra Warmth Helps Block Water Intrusion to Reduce Convection Effective Insulation Under Water As-Well-As-at-Surface Form-Fitting for Sleek Hydrodynamic Look and Feel High-Stretch Neoprene is Easy to Don and Doff Scubapro's new Everflex 1.5mm neoprene Long Sleeve Rash Guards keep you warm while providing protection from scrapes and stings. Sporting a new design and high-tech materials ideal for tropical diving, snorkeling or pool training, these thermal tops are made with a special water-repellant, high-stretch Everflex neoprene on the outside and a combination of fleece and plush on the inside. They offer warmth, comfort and lots of range of motion, plus they dry quickly and are great for layering.