The neck gaiter adopt quality thermal yarn and dense plush fleece lining for max heat retention.neck warmer with double-Layer thickness for added warmth, blocking wind away and very soft-comfortable. Neck gaiters sets come in 2 packs,the neck warmer measures 9.5in x 8.3in, with four-way stretch to fit most head sizes, both men and women.The high elasticity fabric makes it not easy to slip off and not too tight to make you feel uncomfortable.The design works as a scarf, a mask, a headband—easy to wear and carry. The winter is perfect for commuting, skiing, snowboarding, snowmobile, riding, cycling, hiking, motorcycle, ATVing, hunting, construction, walking the dog, warehouse work and shoveling snow.Also a great Thanksgiving, Christmas and New Year gifts for your parents,lovers, friends during the cold winter.