High-concerned chemical: none Craft of Weaving: Tatting Model Number: 3016 Pattern Type: Patchwork Material: Nylon,Elastane Brand Name: under moon Origin: Mainland China CN: Anhui Gender: Men Briefs & Boxers: BRIEFS Size Guide | Simple & Accurate Measurement Finding your ideal fit only takes 3 steps: 1. Prepare Your Reference Underwear Choose your best-fitting underwear and lay it flat. 2. Measure The Waist Width Measure straight across the waistband from left to right. 3. Select Your Size Compare your measurement with our official size chart. If your measurement is between sizes, we suggest selecting the larger size for a relaxed and comfortable fit. Personal Fit Assistance Still unsure? Send your height, weight, and regular size. We will recommend the most suitable size for you. Manual measurement may have a 1-2cm deviation.