Smoke Free Home. The New Balance 515v3, model number ML515RB3, is a men’s sneaker that blends classic design with modern comfort. Featuring a combination of durable nylon and suede, this shoe offers a vintage appeal reminiscent of the New Balance 574. The lace-up front ensures a secure fit, while the padded tongue and collar provide additional support. For cushioning, it includes a New Balance Comfort Insert and a two-toned EVA midsole for a responsive feel. The rubber traction outsole enhances durability and grip.