Altra Superior 5 lightweight trail running shoe. Size 9M. New in box. Slate (dark gray/dark blue and teal sole). Features below were taken from the Altra website. Retail $130 Designed to handle any kind of terrain, the Altra Superior 5 is a lightweight trailshoe that is fast and nimble. The Superior 5 has a 0 mm drop and a wider, foot-shaped toe box giving runners a natural ride while running. * Durable and secure upper * Removable StoneGuard * Lightweight and grippy underfoot feel * Heel-Toe Offset (mm): 0 * Weight:7.5 oz /215 g * Altra Quantic midsole balances cushioning and responsiveness while remaining lightweight * Inner Flex flex grooves system provides additional flexibility and cuts weight for increased performance. * Natural Ride System: design includes a more natural, foot-shaped last, zero millimeter heel to toe drop, and metatarsal-specific shapes in the outsole * Natural Foot Design follows the natural shape of the foot for ultimate comfort * Quick Dry Air Mesh is updated for durability, wicking water away from your foot while remaining light and breathable.