Mountain Hardwear Men's Size Chart The Sinks Canyon Shirt is as soft as your favorite T-shirt, with a double layer of 100% cotton and short sleeves. Wear it to the crag, on travel days, and in the frontcountry. Features: - Lightweight, breathable 100% cotton double weave. - Secure chest pockets - Fabric Weight: 4.9 oz / 140 g - Spring 2019 - Only Available to ship within the USA