Black/Cream Outer: 100% acrylic, Lining: 100% polyester Other Colors Outer: 53% polyester 47% acrylic, Lining: 100% polyester Cable knit construction Moisture wicking Heat Holders thermal yarn Luxurious HeatWeaver lining Heat Holders Women's Alta Cable Knit Headbands are created with our high performance thermal yarn and HeatWeaver insulation lining to maximize the amount of warm air held close to your body.