From Merrell, the Men's Maipo Explorer Aerosport Sneakers feature: Fast-Drying Breathability: The synthetic and mesh upper ensures your feet stay dry and comfortable Eco-Friendly Materials: Made with 100% recycled laces, eyestay webbing, elastic heel pull tab, and breathable mesh lining Enhanced Protection: The bellows tongue keeps out debris, while the removable EVA foam footbed provides cushioning Lightweight Stability: FLEXconnect® dual-directional flex-grooves in the midsole enhance ground connection and stability Superior Traction: Merrell sticky rubber outsole offers durable traction on various surfaces Imported.