Buff Coolnet UV+ Neckwear in Navy Heather | 2021 The new Buff Coolnet UV+ Neckwear is a great multifunctional headwear ideal for almost all activities such as hiking, running, horse riding, or training at the gym. The buff keeps you warm in the cold and wicks moisture to keep you cool when it gets hot. Due to this Buff also being anti-microbial, it does not start to smell after active wear. This natural fabric is super soft, odour resistant and water repellent. Buff\'s cylindrical construction has no irritating seams, making it comfortable to wear as a neck Buff, hat, scarf and more! Made with UV properties as well to help prevent the harmful rays from burning your skin while you enjoy your outdoor activities.