These mittens contain 100% responsibly sourced premium down. These are down-filled puffer mittens with a cozy brushed lining and exterior speed clips that allow you to attach them together. They're filled with 100% responsibly sourced, 700+ fill-power premium down that provides ultra-warm, lightweight insulation. These ones are made with Hi-Gloss — water-repellent and wind-resistant taffeta from France with a glossy finish and a soft feel.