From Merrell, the Speed Fusion Sport RMX Sandals feature: 100% recycled webbing upper Breathable mesh upper Microfiber upper Hook-and-loop closure system for quick adjustability Lycra® lining FloatMax™ Foam integrated insole for a soft and smoothunderfoot experience FloatMax™ Foam midsole for a soft and smooth underfoot experience 60% recycled elastic heel pull tab webbing Merrell sticky rubber outsole with durable traction that grips when and where you need it Imported.