Designed specifically for a plush ride, no matter the distance. Original FootShapeTM Fit gives you the space you need for natural movement while rocker shape encourages propulsion and a more efficient toe-off. Weight - 11 oz / 312 g. Midsole - Altra EGOTM MAX. Outsole - Rubber. Cushion - Max. Stack Height - 33 mm. Upper - Ultra-lightweight & breathable. Color: black