Carhartt"s long sleeve workwear henley is an all-purpose work shirt that is perfect for cooler days or as a layering piece made of 675-ounce, 100-percent cotton jersey, it features a rib-knit collar with a three-button closure and a left chest pocket it also has side-seamed construction to minimize twisting and maximize comfort ash fiber content is 99-percent / 1-percent polyester heather gray fiber content is 90-percent cotton / 10-percent polyester