AutumnFall TM Men's Breathable Boxer Shorts Bulge Pouch Soft Underwear Bamboo Fiber Note: The size is about 1 or 2 size smaller than US size,before order, please refer to the product description size (not the amazon size chart),when you choose your size, you had better choose the bigger size. Thank you. Function: breathable, health care, anti emptied Material:Bamboo Fiber Lining: Regenerated Fibre Design Features: metal decoration, U convex design Details: soft breathable, is very comfortable and sexy fashion