WINDAY Men's Underwear Thong G-String Elastic Smooth Bikini Lace Underwear Package Contents:1*Briefs Material--Lace;Ice Silk ; Material--Nylon------------------------- Clearing mite antibacterial effect, good affinity to skin, breathable moisture, not out of shape Asia size M:= US S--Waist 26"-29" ; Asia size L: = US M--Waist 28"-32" ; Asia size XL: = US L--Waist 30"-35" ; Asia size XXL: = US XL--Waist 33"-39" ;