This isn't your basic leather flip flop-this one is built with heart. We've chosen responsible materials like leather sourced from Gold and Silver Rated Tanneries, recycled toe post and a rubber outsole partly made from rice husks. The Solana Leather is timeless, comfortable and sustainable. Design: Responsible materials like leather sourced from Gold and Silver Rated Tanneries Recycled toe post and a rubber outsole partly made from rice husks The Solana Leather is timeless, comfortable and sustainable