Our Super Puffs are perfected season after season to achieve the best in form, fill and function. It’s what makes Super so super.   Engineered to keep you warm where it counts, The Super Puff2O™ Mitten features a cozy brushed lining and 100% responsibly sourced, 800+ fill-power premium down fill for ultra-warm, lightweight insulation. They're made with Rainstop™ — waterproof and windproof ripstop fabric with a matte finish, soft feel and 2-layer construction. This fabric is sourced from a Japanese mill that specializes in performance fabrics.