Black CapToe Button Shoes (Slim). Vegetable Tanned Box Calf Leather Upper. High Grade Real Leather Insole with very comfortable Leather Landing. Hard Tempered Thermoplast Sole with Finished Wood Heel. Alloy Nailed Heel for Rigidity. Premium Quality Sole. Premium Aesthetic to essentiate comfort and style. They're really slim shoes and feet with instep will not fit.