Take to the track in the Revel 6 running shoe from Brooks. TECHNOLOGY. Run Type: Road. Pronation: Neutral. Surface Type: Road. Fit Knit construction: Offers a sleeker look and feel, plus structure and breathability. BioMoGo DNA: provides cushioning without weighting you down. Adapts to your stride, weight, and speed. Green Rubber Outsole helps your foot move quickly from heel to toe. Green Rubber earned its name because it's made out of silica instead of petroleum, making it a more sustainable material. Shop Brooks running shoes. Want more info? Learn how to buy running shoes. Engineered mesh fabric upper with Fit Knit technology. Lace-up closure. Round toe with bumper. Padded collar. Textile lining. Cushioned footbed. BioMoGo DNA foam midsole. Green rubber sole. Color: black