Check the listing for details. 509 Midweight Snowmobling Balaclava Ski Mask. Condition: New. Listed at 34.95 USD. 509 MIDWEIGHT BALACLAVA // Designed to be comfortably worn under a helmet, the 509 Midweight Balaclava features laminated windproof front panels, a laser cut eyeport and mouth vent to eliminate seams against the face, and offers midweight warmth for cold days on the hill. Breathable material in key ventilation areas help prevent overheating while added length at the neck keeps this balaclava tucked into your base layer all day long. KEY FEATURES / Front Panels Use Technical Windproof Laminated Polyester Knit, with Tricot Lining Laser Cut Eyeport and Mouth Vent for Flat Seams Next to Face Flatlock Stitching for Flat Seams and Maximum Comfort Midweight for Moderate Cold Weather Protection Breathable Material in Key Ventilation Areas Longer Cut for Added Protection