New Balance 1063 Running Shoe - Women's 360 Degree Reflectivity, Ortholite Insert Last: Performance-lasted, PL-1. Synthetic/mesh upper. Weight: 10.0 oz (size 7) Cushioning: Abzorb SBS in heel and forefoot, with Abzorb FL in Midsole and a full stobel board of Absorb. N-durance outsole - contructed with rubber compound for maximum durability in high-wear areas. Blown rubber foorfoot (Lightweight and cushioned) N-Lock, Lightning Dry Collar and Phantom Liner.