WINDAY Men Briefs Breathable Ice Silk Triangle Bikinis and Briefs B125 Note:Asian size is smaller than US/EU/UK size so please check your measurements to make sure the item fits before ordering.------------------- Material--Ice Silk ; Material--Nylon Asia size M:= US S--Waist 25"-28" ; Asia size L: = US M--Waist 28"-30" ; Asia size XL: = US L--Waist 30"-34" ; Asia size XXL: = US XL--Waist 34"-39" ;