COSOMALL Men's Breathable G-String Underwear Sexy Jockstrap Briefs Mateiral:95% cotton + 5% spandex COSOMALL has more than 20 years experience in underwear and other clothing Stretch technology provides a body hugging fit,great shape retention and soft comfort It the newest design and could make you life more sunshine Hand and machine wash in the water less than 86 The model is fit M size( 5.74 ft Height, 154 lbs Weight).