This sleeveless polo shirt has all the performance attributes you need to play golf in total confidence. Firstly the shirt has a blend of stretch fabric called opt-stretch, which gives increased movement and mobility. Plus opti-dri fabrics transports any access moisture away for rapid evaporation. This shirt also features opt-vent which brings enhanced breathability to the garment for maximum levels of comfort during your game of golf, and has sun protection rating of +40.