Barsty Men's Breathable Ice Silk Jock Strap Note:Asian size is smaller than US/EU/UK size so please check your measurements to make sure the item fits before ordering. US S=Asia M (Waist:27.5"~30.7") US M=Asia L (Waist:29.9"~33") US L=Asia XL (Waist:32.3~36.2") US XL=Asia XXL (Waist:34.6"~39.4")