Mammut Tree Wool Neck Gaiter Black one size. The 100percent natural fiber blend of Merino wool and Lyocell a biodegradable fiber extracted from sustainably grown wood delivers great performance. Excellent breathability temperature regulation and natural odor neutralization will keep the Tree Wool Neck Gaiter in high rotation across all four seasons. Wear it as a beanie headband facemask or neck gaiter. Specifications for Mammut Tree Wool Neck Gaiter: Manufacturer: Mammut Application: Outdoor Gender: Unisex Color: Black Features of Mammut Tree Wool Neck Gaiter Merino wool provides high heat performance and outstanding comfort Package Contents: Mammut Tree Wool Neck Gaiter Mammut 1191-01940-0001-1: Tree Wool Neck Gaiter Black one size