Stay comfortable during casual events in the Nunn Bush oxford. Recycled materials in the knit upper and synthetic sole make this lace-to-toe oxford sustainable. An algae-based 20% Bloom content in the footbed adds to the eco-friendliness by returning 32 liters of clean water to habitats and cleaning 20 cubic meters of air. Airy Mesh fabric lining enables 360-degree padding and moisture control.