NO-Fog Mask Breath Deflector Mask Features advanced moisture wicking properties for comfortable wearing all day or night. Wear with or without any balaclava. Fog-Free mask can be worn with complete confidence inside any cold weather snowmobile full-face, modular or motocross helmet The front NO-FOG front deflector actually form-fits (flexes & conforms) within the confines of your helmet, creating a custom fit breath deflector for your nose, mouth & face. All breath exits outside bottom of helmet. Black top strap. Moisture wicking. Micro-fleece and neoprene. Keep chin and neck warm. Easy on/off Velcro behind neck. Made in USA. Size large from 12" to 18" neck.