This is a 3mm jersey full suit wetsuit with a fleece lining, size M (men's). It's a full suit wetsuit with a fleece lining (see photo 9) on the back of the jersey material. Material: Neoprene jersey with fleece lining, 3mm Color: Black Size: M (men's) Previous user: Height 173cm, Weight 64kg Used about 5 times, used for surfing. I bought this as a spare wetsuit, so I haven't used it much. I've also lent it to friends, so I'll include their heights and weights for reference. Friend A: Height approx. 178cm, Weight approx. 68kg Friend B: Height approx. 170cm, Weight approx. 70kg I personally think the condition is good, please check the photos. Suitable for surfing, snorkeling, diving, and other marine sports. Please understand that this is a used item before purchasing.