Elastic fabric that moves in all directions for improved comfort and freedom of movement. Made from 2 recycled plastic bottles. PrimaLoft Bio Fabric wicks sweat and moisture to exterior where it can evaporate or be absorbed by outer layers away from the head. This innovative Uni Polar Neck Warmer from BUFF is a versatile accessory that can be used as a mask or scarf. The warm tube scarf is the perfect accessory for all winter sports enthusiasts who want the highest quality items when they`re out boarding, skiing, hiking or on icy expeditions. The original from BUFF. Perfect for no-fuss warmth in colder weather, and 100% sustainable, constructed from PrimaLoft polar fleece that has been made from two recycled plastic bottles, this BUFF Polar Neck Warmer is super-practical, easier to use and carry than a scarf, and adjustable to comfortably, securely cover the mouth and nose instantly if needed. This lightweight thermal neck warmer has complete four-way stretch, allowing for improved comfort and freedom of movement. The PrimaLoft polar fleece wicks sweat and moisture away to the outside of the neck warmer where it evaporates, so you stay dry while keeping warm and insulated from the elements.