CINTAS Comfort FLEX shirt, blue with embroidered patch, made of 65% polyester and 35% cotton. I bought it at a used clothing store in Shimokitazawa! I've only worn it once, please buy it!! - Brand: CINTAS - Model Name: Comfort FLEX - Size: M-RG - Material: 65% polyester, 35% cotton - Color: Blue - Features: Embroidered patch Unisex Thank you for looking.