Supportive, durable, rugged and comfortable, New Balance's T510v3 is the perfect trail running silhouette. The structural upper, molded heel counter and ALL TERRAIN tread provide superior durability while the breathable mesh and ultra soft comfort insert provide all day comfort for whatever comes your way. Ultra Soft Comfort Insert. Injected Molded EVA Midsole. 12mm Drop. Fit: This style tends to run small. For an accurate fit we recommend purchasing a 1/2 size larger than you typically purchase. For example, if you normally purchase a size 9, we recommend purchasing a size 9 1/2. Upper: Leather/Mesh.