Masters Grey Tech Shirt with Teal and Ocean Blue Stripes. The Masters Tech Collection represents contemporary designs combined with cutting edge fabrics that are engineered to provide supreme performance on and off the course. With UPF 30 protection, this specially constructed, lightweight fabrication is designed to provide ultimate protection against the sun's harmful UV rays. Soft, breathable ,and comfortable, this garment will stay smooth without needing and iron. Moisture Wicking. Using moisture control, this fabric will keep you dry by wicking moisture away from the skin for maximum comfort. Masters Performance golf shirts are made with NEW Masters TECH technology. Performance shirts are 94% polyester and 4% spandex, keeping you cool & dry while on the course. This golf shirt has the signature gold Masters logo embroidered on the left side of the chest and "Masters" scripted on every button. It's all about the details and feeling great out there.