Engineered for competitive golfers who demand performance in unpredictable weather, this Under Armour half zip midlayer delivers warmth without sacrificing mobility. The advanced fabric technology traps heat while remaining breathable, preventing overheating during your swing. Designed with a tailored fit that layers seamlessly under your outerwear, it provides the insulation needed for colder conditions whilst maintaining the freedom of movement essential to your game. An official Amgen Irish Open piece that combines technical innovation with tour-proven durability.