Jacquard upper - Bellows tongue keeps out debris - Protective and abrasion resistant rubber toe cap - 100% recycled webbing - 100% recycled breathable mesh lining - Mesh footbed cover - NXT lined footbed cover to prevent odor - COMFORTBASE removable contoured footbed cradles your foot in all day comfort - Molded nylon arch shank - Lightweight EVA foam midsole for stability and comfort - Slip and oil resistant durable rubber outsole; Mark II tested - Heat resistant outsole protection for brief periods of contact