High-concerned chemical: none Craft of Weaving: Knit Model Number: 3116 Pattern Type: Solid Material: Nylon,Elastane Brand Name: under moon Origin: Mainland China CN: Guangdong Gender: Men Briefs & Boxers: BRIEFS How To Choose Your Perfect Size Get the right fit in 3 easy steps: ① Lay your favorite comfortable underwear flat. ② Measure the waistband horizontally. ③ Find your best size according to our size chart. Size Tips & Customer Service ✔ Between two sizes? Choose one size up for extra comfort. ✔ Not sure which size fits you? Contact us with your height, weight, and usual size. ✔ Free fitting advice is available anytime. Due to manual measurement, a 1-2cm difference may occur.