These Heat Holders women's converter gloves trap in heat to keep your hands protected from the elements while making it easy to switch between fingerless gloves and mittens. They're made from a soft knit fabric and offer heavyweight warmth. Warmth Factor: Heavyweight Measurements: 4 Width/Inches, 12 Length/Inches Fiber Content: 100% Acrylic Fabric Description: Knit Care: Machine Wash Country of Origin: Imported