Sexy brief underwear for sex and performance Lightweight, tight, elastic,also good for working out Machine washable, Hand washed suggestion Perfect for gift to your boyfriend. Sizing information: S: Waist: 26.0"-29.9", Length:10.6"-11.8" M: Waist:29.9"-32.3", Length:11.8"-12.6" L: Waist:32.3"-36.2", Length:12.6"-13.8" Attention: 1.Please ignore the tag size comes with the cloth. The tag size sometimes can be a larger than our description size because those are for Chinese. We are 1 or 2 sizes smaller than European and American people. 2.As different computers display colors differently, the color of the actual item may vary slightly from the above images, thanks for your understanding.