What Our Gearhead® Experts Are Saying:"I wore the Twin Lakes Sport Shirt on a full day of fishing in the high desert, and the COOLMAX blend kept me comfortable even when the sun was at its worst. The tool patch on the left chest is a small detail that makes a real difference when you need your accessories within reach."The Filson Twin Lakes Sport Shirt is built for the kind of day that starts at the water and ends somewhere else entirely, cut from a lightweight COOLMAX cotton blend that wicks moisture, dries fast, and moves with you thanks to a touch of Lycra stretch. Embroidered eyelets under the arms and at the pocket bottoms keep airflow moving when the temperature climbs, and the button-flap chest pockets with a slotted tool patch keep everything you need right where you can find it.