MATERIAL: 91% POLYESTER 9% SPANDEX. Silky-soft, Stretchy, Lightweight, Breathable, and Comfortable. UV PROTECTION: UPF 50+ Fabric For Maximum Protection Against Harmful Ultraviolet Rays; 4-Way Stretch Improves Mobility for Full Range Motion. QUICK-DRY: Excellent Breathable will Pulls Moisture Away from the Skin Quickly, Keep You Dry and Comfortable. THUMB HOLES DESIGN: Keeping sleeves on the arms and securing the sleeves in place; 2 zipper pockets and 2 inner pockets for storing essentials. OCCASION: Great for Outdoor Activities, Hiking, Camping, Sports, Traveling, Boating, Climbing, Vacation, Surfing, Yoga, Running, Training, Jogging, Fitness, and Athletics.