Durable outdoor soles – designed to take you from the couch to the back door and beyond, our signature high-grip gumtread™ outsoles are flexible and long lasting, perfect for fireside or après-ski adventures. Plus, they're made with recycled rubber so every step loves the earth back! Second life & natural materials - with felt uppers made from recycled plastic, foam insoles made from plant-derived organic materials, and durable outsoles made from recycled rubber, every step is a step in the right direction.