Chilly days are no match for this stylish Mountain Khakis Men's Glacier Long Sleeve Shirt. Lightweight and versatile, it provides a layer of warmth without being bulky. Featuring innovative Triple Chill Effect fabric, which is a blend of 94% nylon and 6% spandex, it actively wicks moisture away, dries fast and has cooling minerals to help regulate your temperature. Free of chemicals, it also provides UPF 50 protection. This button-up shirt is great for casual days or dressing up. It has a chest pocket, button-down collar and adjustable cuffs.