A mock-neck top keeps you comfortable through all activities with its seamless, body-mapping construction made from lightweight, moisture-wicking fabric. 17" length (size Small) Mock neck Long sleeves with thumbhole cuffs Thumbhole cuffs keep sleeves from creeping up Body-mapping technology aligns with your body's movement so you perform at your best during every hike, workout and run 58% nylon, 36% polyester, 6% spandex Machine wash, tumble dry Imported