Advanced D-Tech Fabric: Lightweight poly/spandex 4-way stretch material with a soft, luxurious feel for all-day comfort. Moisture-Wicking Performance: Actively draws moisture away from your skin to keep you warm, dry, and comfortable. Hinged Design for Versatility: Mesh mouth panel easily slides to cover your nose and mouth or can be tucked down under your chin. Lightweight & Thin Construction: Ideal for layering without bulk — fits comfortably under helmets, hats, or hoods. Temperature Range: Recommended for wear in temperatures between 0–50°F for optimal warmth and breathability. One Size Fits Most: Designed with stretch and flexibility to comfortably fit a variety of head shapes and sizes.