Fun Fact: A Derby Is Like An Oxford Shoe'S Hip Cousin. Featuring An Open-Lacing Construction Method, We Gave Ours The Iconic Comfort Of Our Outdoor Slipper And A Modern Wool-Blend Upper (With 50% Recycled Wool) So You Can Go Everywhere In Feel-Good Comfort. With Its Soft-Yet-Grippy Outsole And Room-For-Your-Toes Fit, It'S So Comfy It Feels Like You’Re Walking Around Your Apartment. Wherever You Go.