The Biom Hybrid 2 golf shoe is made from leather-based and artificial substance that deliver the best possible durability. The outer part of the shoe is comprised of Yak leather-based, that's softer and is 3 times much better and sturdy than standard leather-based. We have a crew of PGA Specialists https://www.golfshoes.guru/product-category/womens-golf-shoes/footjoy-womens-golf-shoes/