Clorts Men's Boa Outdoor Backpacking Boot Waterproof Hiking Boot 3B025D 60% Mesh/ 40% PU Rubber sole Upper Material: PU, microfiber and mesh BOA Lacing System Lining: Uneebtex Waterproof Insole: Sanitized Actifresh Technology Outsole: skid-proof and abrasion-resistant Rubber outsole