The balaclava made for sports the streamlined fit lets you wear it under helmets, it shrugs off water, and it&';s stretchy and breathable. It can be worn as a hood or gaiter or pulled up over the mouth and nose for warmth. One Size Fits Most UA Storm technology repels water without sacrificing breathability Dual-layer ColdGear fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior Material wicks sweat & dries really fast Offers full facial coverage that extends below the neck & can convert to a neck gaiter Uses a fluorine-free water repellent treatment