90% polyester, 10% spandex, heathered, 145 gsm;Three-button placket with collar stand; Fly Life: easy care, versatile, designed for comfort; Full stretch; Durable Performance with color pop on collar stand; Swannies Golf Apparel partners with Green Story for a Carbon Neutral impact; Carbon Offsetting: Through our collaboration with Green Story, we offset the carbon footprint of each of our products by supporting removal & reduction projects across the globe;