The Under Armour® UA Speedform AMP will amp you up to run your best miles! This brand is a member of the Sustainable Apparel Coalition. Predecessor: N/A Support Type: Neutral Cushioning: Lightweight, flexible response Surface: Road Differential: Not provided Fabric upper with synthetic overlays. Lace-up closure. Fabric lining for a great in-shoe feel. Speedform AMP footbed provides support and cushioning for all-day wear. CHARGED midsole. Rubber outsole. Imported. Measurements: Weight: 10 oz