Key Features & Functionality Full-Head & Neck Coverage: Shield your face, head, and neck from wind burn, sun exposure, and dust. Under-Helmet Comfort: Designed with flatlock seams and lightweight stretch materials to fit comfortably beneath motorcycle, bicycle, or ski helmets without bunching up. Versatile Wearability: Can be worn as a full face cover, open balaclava, half-mask, neck gaiter, or ninja hood depending on the weather conditions. Moisture-Wicking & Breathable: Modern performance fabrics pull sweat away from the skin to keep you dry and regulate temperature in both hot and cold environments.