OR's built the Outdoor Research Cedar Earflap Hat™ with the ideal combination of technical materials so that you can reaps the benefits of the best of both worlds. Warm wool with WINSTOPPER® offers the ultimate wind blocking protection even when wet from flurries. Whether you’re dropping below the rope line, digging a pit, or digging out the front walk, your ears, head, and therefore body, will be toasty warm.