Azen - Fantastic leather, sporty sandal from Polish brand Bartek. They are made out of black/yellow/khaki nubuck leather and they close with a double velcro.  They have a semi-closed heel with back opening making the sandal very airy and one of a kind. The sole is made out of beige/yellow slip-resistant rubber. Orthopedic, with leather lining and breathable inserts. Very fashionable superior quality product you will be super pleased with their wear and look. Width: Fits Medium to Extra Wide (MW) base since this is ajustable sandal.