Upper: GORE-TEX, Synthetic. Midsole: AmpliFoam. 6 Eyelets. Fabric Technology: Breathable, Waterproof, Windproof. Padded Collar, Padded Tongue, Twin Pull Tabs. Flat. Cut: Low Cut. Design: Tread Pattern. Toe Style: Round. Sole Features: Durable, Gel Inserts. Fastening: Lace Up. Occasion: Running.