Rich buttery calf leather, bio-density contoured insoles, and an engineered flex groove system. Fashion forward without trying too hard. RE-SPECKLED RUBBER OUTSOLE Recycled rubber outsole that uses leftover and excess rubber from the factory reducing waste and the use of new resources. This process keeps hundreds of tons of waste from landfills. You will notice the speckle in the bottom which gives it a signature look. MEMORY FOAM FOOTBED Utilizing memory foam made from castor oil and recycled rubber, the plant based oil not only provides amazing comfort but reduces the impact to the environment. We combine this memory foam with our contoured anatomical footbed for the ultimate in comfort.