Provide yourself with added warmth on the golf course this season with the Callaway Golf 1/4 Zip Wool Mix Body Warmer. This fantastic garment has been equipped with opti-therm technology which has been created to withstand the cold and provide a layer of thermal comfort. The fabrics are a blend of wool, giving you the benefits of wool, with the durability of synthetics fibres. It is perfect as an extra layer so you can stay warm and keep improving your game.