6893Z Zippered Balaclava provides full-face protection in cold environments. Thermal, polyester fleece traps heat in for maximum warmth. Lightweight material comfortably fits under hard hat without bulking. Easily tuck the edges of the face mask under other clothing for a tight fit and increased warmth. Wear balaclava alone as a face mask or open the top zippered compartment to add the Skullerz 8945 Universal Bump Cap Insert (not included) to avoid minor head injuries while working in cramped spaces. Reflective accent enhances visibility in low-light conditions. Face mask is great for workers in construction, mining, warehousing and more. Wear it during recreational activities, such as skiing, snowboarding and climbing.