Upper in natural nubuck leather, padded nylon bellows. Wingtex breathable tunnel lining. Anatomic footbed cover in soft polyurethane, midsole in pu foam. Toe cap in 'airtoe aluminum', anti-perforation 'save & flex plus', anti-perforation 'no metal' textile insole. Compact anti-abrasion, anti-oil, anti-slip and anti-static PU tread. according to en iso 20345: 2011 ce. Degree of protection 's3'.