Charlie Nubuck Boots made with leather uppers. These boots feature dual gore for easy on and off, and a stacked leather-wrapped heel. They are equipped with a non-removable high-rebound comfort OrthoLite® Eco X40-Hybrid™ insole, crafted with 32% eco content including 15% hybrid materials, 12% bio-oil, and 5% recycled rubber. The boots have a German outsole and rubber heel with a TPR welt and stitch.