The soft warm protection delivered by Polartec Power Stretch fabric makes the Mistral a highly functional and comfortable balaclava. Flat lock stitching and low profile 2 panel construction fit perfectly under a helmet or other headwear making this an exceptional piece for cold weather pursuits.FEATURES: Polartec Power Stretch Low Profile 2 Panel Construction Flat Lock Stitching Ideal for Layering Under a Helmet Warm Soft Brushed Interior for Extreme ComfortPolartec Power StretchPolartec Power Stretch fabrics feature body-hugging 4-way stretch and are very breathable. They keep you dry when you sweat and provide warmth without weight and are the most versatile outdoor and fitness apparel fabrics available today. A durable nylon outer layer is wind- and abrasion-resistant; the soft inner layer pulls moisture away from your skin to keep you dry and is extremely comfortable.Flat Lock Stit