Keep your fitness goals on track with the help of the comfortable New Balance 680v6 running shoes. Predecessor: 680v5. Support Type: Neutral to underpronation (supination). Cushioning: Lightweight, flexible response. Surface: Road. Differential: 10 mm. Breathable engineered mesh and lightweight synthetic upper materials. No-sew upper application helps reduce the likelihood of irritation. Lace-up closure. Padded tongue and collar. Breathable mesh fabric lining offers a great in-shoe feel. Removable NB Response 2.0 performance insert. ABZORB midsole provides a superior blend of cushioning and compression set. Durable rubber outsole. Imported. Measurements: Weight: 7.2 oz Product measurements were taken using size 6, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.