The Core Lightweight Neck Gaiter is a perfect companion for days spent on the hill. Made from a lightweight blend of Merino wool and synthetic fibers, this gaiter gives you the ideal warmth without the bulk. We're leaving wet face masks in the past, the Merino blend is moisture-wicking to keep you dry and it also helps reduce fog in goggles. Built with a 4-way stretch for maximum mobility, you won't feel restricted at all.