Mountain Hardwear Women's Size Chart The Canyon shirt is casual and easy to wear, ideal for long hikes and backpacking missions. Its wrinkle-free polyester fabric is low maintenance, with back vents to keep you cool. UPF 30-rated UV protection helps prevent sunburn. Features: - UPF 50 - Roll-up sleeve - Zip security pocket - Quick-dry - Wrinkle-resistant - Unique back venting - Fabric Body: Canyon Dobby (100% Polyester) - Fabric Weight: 3.0 oz / 86 g - Spring 2019 - Only Available to ship within the USA