Bestpriceam Men's Underwear Sexy Boxer Briefs Lace Breathable Underpants (XL, Black) 80% nylon,20% spandex Fabric: 80% nylon,20% spandex Aisa size is smaller than US size(1~2 size). Professional Factory with High Quality Function: breathable, health care, anti emptied Waist: M:65-82cm/25.6-32.3";L:70-90cm/27.6-35.4";XL:74-98cm/29.1-38.6";XXL:78-105cm/30.7-41.3"