Save your favorite striped beanie for morning treks to the coffee shop. The Buff offers versatile backcountry function. The half-fleece, half-microfiber tube can be worn as a hat, balaclava, and neck gaiter (among other configurations). We even stuffed it with clothes to make a pillow. It also comes in lighter fabrics for warm-weather trips. $27; 3 oz.; buff.es.