Upper material: leather (cowhide) Colour: black Outsole/Features: EVA outsole for lightweight Lining: 75% polyester, 10% textile (65% nylon - 35% polyurethane), 10% synthetic (70% polyurethane - 30% polyester), 5% synthetic. CAMPER - Black calfskin leather shoes for men with EVA outsoles. With a classic silhouette and a padded upper, our Atom Work formal shoes are versatile and lightweight.