Mountain Hardwear says:
A re-engineered, reinvented flannel shirt in a modern, stylish plaid pattern. The Trekkin is made from a 100%25 polyester stretch fabric. It has great mechanical stretch and boasts the quick-drying, moisture-wicking properties of a technical base layer. Excels on the hiking trail, at a cool-weather bouldering session, or strolling at your local Sunday morning farmers%E2%80%99 market.
Historic Range: $22.48-$75.00