Thanks to Cinch, you don't have to sacrifice style for safety on the jobsite This button-down men's shirt is made of rich, royal blue 100% cotton twill. The fabric has been treated to be HRC-2, ATPV 8. 5 flame-resistant. A button-front placket and cuffs feature white pearl logo-stamped buttons. The Cinch logo tag and embroidery are located on the left chest pocket.