This is a women's size S. I ordered the wrong size and can't return it, so I'm selling it. I tried it on and immediately took it off and washed it. 1mm Fleece-lined Jersey Rubber Fabric Air Fusion Short Sleeve AIR FUSION Wetsuit Inner Women's Made in Japan [Thermal Innerwear] Diving Surfing Inner The fleece lining doesn't stick to the skin and is soft and smooth. ⚠️Please check my profile before purchasing or commenting for a smooth transaction. Wetsuit inner Thermal swimwear