The miller polo shirt benefits from ventil 8 technology galvin greens cool layering system the shirts enjoy a smart stylish design the miller has a classic stylish design and would be the perfect shirt for club or team logos eight colours are available with four branded buttons on the closer system ventil 8 is a fabric at the spear head of galvin greens layering concept the fabric is remarkably breathable and its moisture wicking properties are second to none the ventil 8 fabric removes