This Men's Patagonia UPF 40 Self Guided Hike pattern Shirt in lose yourself blue, size XL, is a geometrically patterned, short sleeve, collared button-up shirt made from woven fabric. It is machine washable and features chest pockets and an air vent flap on the backside. Perfect for casual occasions, this shirt has a regular fit and is great for outdoor activities in the summer, fall, or spring. Made by the reputable brand Patagonia, this shirt is a stylish and functional addition to any man's wardrobe.