The evolution of our go-to summer long sleeve. Featuring the lightest and most breathable DUAL SURFACE™ Precision Blended Wool we’ve ever made (100 g/m2), the River Run Hoodie handles the height of the summer sun with as much poise as it does a crisp morning start. Thanks to our proprietary precision blending process, the naturally UV protecting, thermally regulating ROCKY MOUNTAIN HIGHCOUNTRY MERINO™ wool provides plenty of cover for the razor thin layer of moisture wicking synthetic fibers underneath. Relaxed Fit. Made in the United States Exclusively from ROCKY MOUNTAIN HIGHCOUNTRY MERINO™ Wool FEATURES: DUAL SURFACE™ UL Precision Blended Wool Integrated Thumb Loops Relaxed Full Cover Hood Fabric Weight: 100 g/m2 Garment Weight: Men’s L = 186 g (0 lb. 7 oz.)