The Mountain Hardwear Women's Canyon Long Sleeve Shirt is casual and easy to wear, ideal for long hikes and backpacking missions. The Canyon Long Sleeve Shirt features wrinkle-free and polyester fabric, is low maintenance with back vents to keep you cool and has a UPF 30 to protect you from the sun. Features:UPF 50 Roll-up sleeve Zip security pocket Quick-dry Wrinkle-resistantSpecs: Center Back Length: 27"Apparel Fit: Relaxed Weight: 4.8 ozFabric: 100% Polyester See "Overview" below for sizing information.