ANSI Class 2 compliant 100% polyester wicking T-shirt treated with Whisk-It™ to open up sealed yarn fibers that wick away perspiration. Cooler and more comfortable than cotton, this great product will replace your simple work shirts and safety vests saving you money and reducing the number of layers you wear on the job which mean cooler working conditions. Available in Yellow and Orange. Sizes: Medium thru 2X. (Additional $1.50 charge for Size 2XL)