The Boys Sandy Shores Long Sleeve Sunguard Top from Columbia is made for the young adventurers like to play in the water for the sunniest summer days. This long-sleeve tee-shirt has a built-in UPF 50 sun protection to ward off harmful UVA and UVB rays. It also features a wicking fabric to quickly draw moisture away from the skin. With thumb holes. Large Columbia logo on the left arm.