Patagonia Sol Patrol Fly Fishing Button Front Shirt in Rain Fern Wash/Dam Blue Size Medium. Excellent condition. No flaws or damages. Underarm panels. 50+ UPF. Double-layer collar has hidden snaps at the collar points which can be flipped up for additional sun protection. Two front button-closure utility pockets, a hidden zippered chest pocket and a gear keeper on the upper-right chest help you stay organized on the water. Roll-up sleeve tabs.