A triple-threat of style, warmth, and protection. Up on the mountain, Mother Nature can shift her mood in a moment—and as the wind howls and snowflakes swirl, the Treble Hood Balaclava fits three layers of utility beneath your helmet. Available in a wide variety of colors and patterns, three specialized fabrics (Versa for snug warmth at the crown, Treo as an outer shield against wind and wet, and Therma for a soft touch against your skin) balance form and function, serving the frostiest runs and all-day alpine adventures. Breathable:Supports optimal airflow and temperature regulation. Contoured Flare Neck:Fits smoothly over layers, while allowing freedom of movement. Dual-Layer Liner:Snug warmth, softness, and breathability for all-day active pursuits. Four-Way Stretch:Adapts to your every move for full freedom and flexibility. Helmet-Friendly:Ergonomic, secure, streamlined fit—whether under or over a helmet. Lens-Safe:Soft enough to wipe goggles without scratching or damaging lenses. Moisture-Wicking:Pulls sweat away from your skin, keeping you dry and comfortable. Odor-Free:Built-in protection maintains freshness when the going gets tough. Thermal Regulation:Absorbs excess heat when it's warm and releases it when it's cold. UPF 50+ Sun Protection:Shields against 98% of harmful UV rays. Fabric Content:80% Polyester, 20% Spandex Fit:Contoured / Under helmet.One-size-fits-most.Head circumference: 21” - 23.75" / crown length: 7.25" - 9.26".