AZAZA Men's Coolon Padded Butt Boxer Brief Hip-up Underwear 70% Polyester, 20% Polyurethan, 10% Nylon (coolon) Imported M size(28~30 inch), L size(30~32 inch), XL size(32~34 inch), XXL size(34~36 inch) 70% Polyester, 20% Polyurethan, 10% Nylon (Coolon) REMOVABLE and WASHABLE, these pads fit snugly into a hidden pocket inside your briefs. Padded underwear for men Various 2 colors (Navy, Gray)