Nubuck leather upper 100% recycled webbing upper Hook and loop closure system for quick adjustability Microfiber lining 100% recycled COMFORTBASE ACTIVE contoured insole for all-day comfort Molded nylon arch shank Lightweight EVA foam midsole for stability and comfort Outsole featuring 100% Recycled TPR Merrell is focused on merging performance, styling, and comfort to empower all people to confidently explore the outdoors Merrell Air Cushion in the heel absorbs shock and adds stability