TRADIE No Chafe Bamboo undies have been designed by Aussies for Aussies. Featuring No Chafe nylon/elastane inner leg panels and highly breathable fabric– no more chafing EVER again! Super soft bamboo fabric keep your bits comfortable all day long. Our unique comfort pouch with a generous size fly opening so you can FREE WILLY whenever required. The long leg design ensures no ride up undies. Give them a try - you'll love them! NO CHAFE reduces the likelihood of chafing. Possibility that chafing may still occur. The model wears a size M.