The Treble Hood from BlackStrap is a specialized "triple threat" balaclava, thoughtfully engineered using three distinct fabrics for maximum performance. Treo fabric on the head ensures seamless helmet compatibility, while the inner liner features Exten fabric for a soft, comfortable feel against the skin. The Versa lower shell provides the rugged protection needed for long days on the mountain. By placing each technical material in its optimum application, BlackStrap delivers a high-performance solution for ultimate outdoor comfort and adventure. Tri-Fabric Construction: Utilizes Versa fabric in the crown for thermal regulation, a Treo shell around the neck for freeze resistance, and Exten fabric for an ultra-soft lining. Thermal Performance: Midweight Therma fabric properties excel in sub-zero temperatures, featuring a brushed interlock design for moisture management. Sun Protection: UPF 50+ rating provides maximum protection against UV rays. Fit and Sizing: Unisex, one size fits most adults (Head Circumference: 21" - 23.75"). Helmet Compatibility: Ergonomically designed with a performance fit for seamless integration under helmets and headwear. Materials: 80% Polyester, 20% Spandex. Moisture Management: Breathable, moisture-wicking, and quick-drying to keep the wearer dry. Maintenance: Machine washable and dryer safe for easy care. Additional Attributes: Dual-layer construction, 4-way stretch, abrasion-resistant, odor-free, lens-safe, and finished seams for a comfort-first fit.