Barsty Men's Slim Stretch Mesh Lingerie Bodysuit Jumpsuits Bodywear Underwear Union Suits Material:90%Modal+10%Nylon Feature: Sexy, Breathable, Bodycare, Quick Dry, Comfortable The Asian size is about 1 size smaller than US size.For example: usually the Asian L is equal to the US M Asian size M/US S : Waistline(27"-30" stretch ) Asian size L/US M : Waistline(30"-33" stretch ) Asian size XL/US L. :Waistline(33"-36" stretch ) For Gymnastics, Dancewear, Swimming or Casually Under Clothes