Clorts Men's BOA Nubuck Leather Waterproof Hiking Boot Outdoor Trekking Shoes 3B019B 70% Leather/ 30% Mesh Upper Material: Nubuck and mesh BOA Lacing System Lining: Uneebtex Waterproof Insole: Sanitized Actifresh Technology Outsole: skid-proof and abrasion-resistant Rubber outsole