Vivobarefoot Men's Off Road Mid Hiking Shoe 100% Leather Rubber sole Hydrophobic Mesh and Microfiber and Non-toxic, breathable, lightweight, water-resistant thin mesh and microfiber quarter panel with nylon webbing Lock-Lacing System - Zigzag webbing eyelets make sure the foot is secure in the shoe Collar/Panel and Lining - Dri-lex Lining with Thick Mesh Collar: Lightweight, performance lining for moisture wicking and superior comfort and thick mesh collar Removable - 3mm Pressed EVA Insole for additional thermal protection when necessary Rubber outsole - Specifically designed for off road surfaces with directional lugs to maximize surface contact for superior barefoot traction