Galvin Green Byron Windstopper Golf Jacket Swedish Blue-Midnight. 2014 Windstopper Golf Jackets from Galvin Green. This men’s golf jacket has been designed to maintain an optimum body temperature on the golf course as the soft shell Windstopper fabric effectively protects against wind chill, whilst maximum breathability & comfort is also ensured. Finished in white with two tone blue detail, this new style of full zip golf jacket looks great & has been developed to wear specifically for golf.