Description The versatile New Balance 520v8 features a soft, cushioned EVA midsole for underfoot cushioning with an engineered mesh upper for outstanding breathability to help keep you comfortable and focused during any activity. Rubber outsole. Weight:250 grams (8.8 oz) Engineered mesh upper. Soft, cushioned EVA midsole. Synthetic and textile upper material. Adjustable lace closure for a customized fit. Upper features no-sew construction for a sleek fit and feel. Removable Insoles Suitable For Orthotics.