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The Mountain Hardwear Stretch Rappel bandana protects your face from the sun and cold. Lightweight polyester/spandex fabric has a soft hand that is comfortable next to skin; fabric wicks moisture and dries quickly. Can be worn as a bandana to keep your hair back and protect your forehead from the sun; can also be worn as a neck and face gaiter to protect your face from cold and sun. With a UPF 50+ rating, fabric provides excellent protection against harmful ultraviolet rays. Mountain Hardwear Stretch Rappel bandana weighs 1 oz.