SILKWORLD Men's Transparent Supporter Jockstrap Pack of 8 US Medium Different style, different material Because of the Asian size is about 1 size smaller than US size.For example: usually the Asian M is equal to the US S, and our item tag is printed in Asian size only.When you receive the item,please feel ok, it is just your size. Transparent , breathable Elastic waist Cool, breathable stretch mesh pouch Stability anchor on waistband for support and lift