The ultimate pursuit piece while chasing whitewater, rising trout, bugling elk or whistling wings, the River Run Hoodie is our best seller for a reason. Versatile, light and protectant, this does-all base layer includes a button hood, thumb holes and utilizes VOORMI’s DUAL SURFACE™ UL Precision Blended Wool, a quiver-killing super-layer that wicks sweat and protects from the elements. Perfect for shielding in hot sun as well as insulating when the wind picks up after a long day outside. Relaxed Fit.