Galvin Green Alister Waterproof Golf Jacket (Forged Iron & Black)The shoulders, sleeve parts, and the lower back are reinforced with extremely durable TECHSTEEL fabric overlays that prevents abrasion caused when carrying the golf bag. The elbow and area below the shoulders are designed with GORE TEX super stretch fabric, allowing increased flexibility in those key areas. Made from a bluesign approved fabric, this premium mens rain jacket is extremely breathable and lightweight, making it unbelievably comfortable