Light felting packs a denser weight into the knit of the Turtle Fur Polly Beanie. This wool beanie blends several wools, including a hint of yak wool. What Our Gearhead(R) Experts Are Saying:"Shoveling the driveway before sunrise took about an hour, and the cuff doubled the fabric over my ears for all of it. Ears are usually the first thing to go cold on those mornings, and mine stayed comfortable until the last scoop."