The Buff? Tech Fleece Bandana provides warmth and wind resistance, dries quickly and features laser-cut nose holes to aid airflow and help prevent glasses from fogging up. It?s made of wind-resistant, brushed Carvico fabric for optimal protection from both cold and wind. The lightweight material and edgy patterns allow it to seamlessly transition from snow park to skate park, combing classic style and performance.Stretchy polyester/Lycra? with soft brushed fleece inside. Moisture wicking, quick drying, breathable. Light thermal protection. Laser-cut breathing holes. One size fits most.