Refrigerator-engineered to keep you comfortable when the fishing gets steamy. Latest version comes equipped with a side-entry stash pocket for everyday essentials. Stretch woven nylon with brrr Triple Chill Effect technology that provides cooling, wicking and rapid drying for crucial warm weather performance. The fabric is actually cool-to-the-touch! This, combined with COR3 technology, gives you sun relief in a UPF-30 rated shirt that effectively puts heat on hiatus. Two fly-box-compatible zip-close chest pockets, under collar buttons and straight hem for wearing inside or out. Smooth, off-shoulder seams for added comfort, built in sunglass chamois on bottom/right hem. 94% brrr nylon, 6% elastane woven blended fabric construction. SIZES: S(chest 36″-38″), M(39-41), L(42-44), XL(46-48), XXL(49-51), 3XL(52-54).