SiikWorld Men's Transparent Mesh Briefs Pack of 5 90% Nylon, 10% Spandex 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 5 Color / Pack Gauze Transparent,Breathable elastic and comfortable,Soft feel More sexy and breathable is from semi opaque of Transparent design