Details Burton Apparel Size Chart Winter warmth never looked better. Buttery soft sheepskin leather powered by down warmth and finished with touchscreen-compatible Screen Grab® leather. The Burton Premium Warmest Mitt is for the woman who knows what she wants out of winter. Heat things up with a combination of 550 fill power responsibly sourced down insulation as well as Thermacore™ insulation. Then keep things dry with the waterproof performance of DRYRIDE Membrane. Buttery soft and supple sheepskin leather rounds out the package with luxury-grade comfort and style. Since you should never miss a moment that looks this good, capture it all with Screen Grab® tech built right into the thumb for easy control of your touchscreen device.