New Balance Women's WR1224 Running Shoe 100% Mesh and synthetic Synthetic/mesh upper with Dual Density Collar and Sure Lace provides a lightweight cushioned ride. Weight: 10.1 oz (size 7) . Last: Strobel-Lasted, SL-1 Cushioning: ABZORB FL Midsole Top of the line foam material with excellent cushioning and compression set properties. ABZORB SBS in Forefoot Provides exceptional shock absorption. Stability Web, Extended Web and Nlock: Provides optimal support while enhancing transition from heel strike to forefoot Blown/solid rubber outsole provides long-wearing durability. Ortholite Insert, Phantom Liner with Lithning Dry provides a cool, dry innersole. Size Descriptions: D Standard, 2E Wide, 4E Extra Wide