The Smartwool® Merino Sport Fleece Neck Gaiter helps provide the protection you need on any windy, cold-weather day-thanks to an innovative design and the breathability and temperature-regulating benefits of responsibly sourced Merino wool. - Soft-brushed Merino next to skin and recycled polyester against the elements to balance comfort and protection. - Curved top hem provides added coverage for the nose and back of the head. - Reflective elements for visibility in low-light conditions. - 47% polyester, 38% merino wool, 15% elastane. - Machine wash, tumble dry.