In changing elements, you need workwear that's ready to change gears and adapt to any conditions. Engineered to be worn on the toughest jobs, NYCO is a moisture-wicking, abrasion-resistant, flame-resistant polyester. The NYCO long-sleeve t-shirt uses a high-performance knit engineered from a proprietary blend of INVISTA T420 nylon and cotton, features Cordura® baselayer fabric, and is four times more abrasion-resistant than 100 percent cotton. It's comfortable and versatile in all climates, absorbs moisture quickly, and won't melt or drip like polyester.