Harley-Davidson® Men's Performance Long Sleeve Shirt w/ Coldblack® Technology, 99017-17VM. Made of 60% cotton and 40% polyester poplin with Coldblack treatment designed to reflect the sun's rays and help keep you up to 10® cooler in the sunlight. Button front and cuffs with a snap-down collar. Custom H-D® performance neck tape. Two button chest pockets. Contrasting stitching throughout Coldblack woven label on left side seam. Embroidered graphics on right sleeve, left chest, and back neck. Engineered with the protective Coldblack finish that doubles as a sun reflector and UV protector. It can actually help keep you up to 10® cooler in the blazing sun.