Altra Superior 4 trail running shoes in black and gray, featuring the signature FootShape toe box and Balanced Cushioning for a natural running stride. These lightweight trail shoes are designed with a MaxTrac rubber outsole and multi-directional lug pattern for superior traction on rugged terrain. The upper consists of a durable wrap-around tongue and reinforced overlays, while the Quantic midsole provides a responsive yet cushioned ride. Ideal for trail runners seeking a low-profile, zero-drop experience with excellent ground feel and protection.