The North Face says:
Windproof, breathable, and quick-drying fabric makes the Windstopper Neck Gaiter ideal for expeditions in extremely cold conditions. If you're going ice climbing, skiing or snowboarding, throw this in with your gear. You'll thank us later.
Historic Range: $16.95-$40.00
Historic Range: $39.00-$40.00
Recycled Polartec® 200 Series Fleece, DWR finish