High-concerned chemical: none Craft of Weaving: Knit Model Number: 002 Pattern Type: Patchwork Material: POLYESTER,Elastane Origin: Mainland China CN: Guangdong Gender: Men Briefs & Boxers: BRIEFS How to choose the SIZE? As we are a global store,sizes cannot meet the size specifications of each country. Please read the size chart below the product options before purchasing and choose the size that suits you based on the specific waist circumference.For customers who need loose fit, please choose sizes 1 to 2 larger. Please DO NOT choose the size directly based on your USUAL shopping habits. Important note before purchase: This product uses US/EU/global sizing. Please check the size chart carefully to select your suitable size. Size chart (Due to manual measurement, there may be an error of 1-3 cm in dimensions.)