This Pullover is 5.6-ounce, 88/12 poly/spandex jersey body and a 4.1-ounce, 92/8 poly/spandex mesh panels. It features reflective taping at zipper and back panel. There is mesh at center back and under arms. It has a reflective O heat transfer at back neck and a reflective stacked O heat transfers at back and sleeves. A OGIO Endurance heat transfer label for tag-free comfort and modified raglan sleeves with thumbholes for warmth. A slight drop tail hem and a reflective O Endurance heat transfer at right hem.