Model [ M630LB5]New Balance 630v5 - Black - Men's Running ShoesThe close-to-the-ground New Balance 630 utilizes enhanced flexibility and breathability to bring minimalist-inspired running to a wider audience. Through a unique midsole design, the XLT Footbed provides great comfort and flexibility under foot 12 mm drop: due to variances created during the development and manufacturing processes, all references to 12 mm drop are approximate IMEVA (injection-molded EVA foam) midsole for firm yet flexible cushioning Breathable air mesh Solid rubber outsole