Light, breathable, and oh so comfortable! The Columbia Thistletown Hills Short-Sleeve Shirt for Men is made of a 60% cotton/40% recycled polyester for an eco-friendly fabric with adventure-ready softness. This Columbia men's shirt features Omni-Wick technology, which adds moisture-wicking performance for fast evaporation and dry comfort in the heat. Machine wash. Imported. Manufacturer style #: 1990751. Made of 60% cotton/40% recycled polyester Omni-Wick technology keeps you cool and dry Eco-friendly fabric with adventure-ready softness