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 Tech performance 1/4 zip pullovers are fabricated of 94% polyester and 6% spandex to keep you cool and dry while on or off of the course. This pullover has the signature Masters logo embroidered on the left side of the chest and sturdy zipper. The zipper is edged with dark grey to add some interest and the bottom hem and sleeves are slightly banded for an excellent fit. It's all about the details and feeling great out there, and that's where Masters Tech wins the day.