The heat and sun during outdoors sports can make one tire out faster and speed up skin aging. Prevent that from happening with these arm sleeves which offer UV protection. Made from a soft, elastic microfiber material which is superior to regular poly-spandex and 2 degrees cooler than bare skin. Its seamless technology gives a comfortable fit. Enables quick absorption and emission of moisture. Ideal for sports such as rock climbing, kayaking, canoeing, golf, fishing, running, hiking and cycling. Made in Korea. Material: Spandex Polyester.