This OGIO Men's Blacktop Evolution Henley is great for men who love outdoor adventures or just want a stylish casual look. You can wear it while hiking, camping, or just hanging out with friends. It's made of a 5 - ounce, 83/12/5 poly/rayon/spandex twill jersey with stay - cool wicking technology. The shirt has clear smoke grey buttons and an embroidered O on the left sleeve, adding to its unique style.