Black undershirt with HEAT-X technology, size S. - Brand: X-united - Model: HEAT-X - Size: S - Color: Black This was a gift, so I'm not sure if it's for men or women. Please check the photos. Marine sports Diving Surfing Sports It can be used as an inner layer for wetsuits or as an undershirt for everyday wear. The inside is brushed. The holes for the fingers in the cuffs have been closed from the inside. Thank you for looking.