BILLABONG FURNACE top, black long sleeve design featuring a wave logo. - Brand: BILLABONG - Model: FURNACE - Color: Black - Design: Long sleeve - Logo: Wave design - Decoration: BILLABONG logo on the sleeve I think it's probably 2mm, but I'm not sure. I'm selling it because I don't wear it anymore. ● Instant purchase is OK. Even if there are comments, I will prioritize the person who purchases first. Please note that even if there are "likes" on the product, it may suddenly sell out. I strive for quick and courteous transactions. I try to ship within 24 hours in principle. I will pack it carefully and deliver it. Please feel free to comment if you have any questions. * Please purchase only if you understand that it is a used item and has been stored at home. ● I have many other items for sale, so please take a look if you like.