Galvin Green Mike Polo Shirts: The Mike Polo Shirt stylish contemporary design with 20 + UV protection & Galvin Greens Ventil 8 plus cool layering system. Ventil 8 is the material behind Galvin Greens multilayer idea; it is extremely breathable & has ultra-high moisture-wicking properties. The fabric also benefits from the fact that it is low maintenance; no ironing is needed after washing & the fabric has anti-bacterial properties for a constant fresh feel. The shirts come in five colour variations with sizes ranging from small to double XL. These lightweight soft feel shirts with their advanced material technology provide performance-enhancing attire with chic looks.