The Saucony Xodus Ultra 4 Running Shoe is built for long-distance trail running, combining maximum cushioning from PWRRUN PB with a Vibram MegaGrip outsole for confident traction on rough terrain. Key attributes: Black | Navy | Maximum cushioning with PWRRUN PB | Advanced traction with Vibram MegaGrip outsole | Durable design for rough terrain | PWRRUN PB cushioning system | Protective PWRRUN frame for additional underfoot protection | Supportive construction for stability and safety | Rugged, durable silhouette built for tough conditions | Trail-ready outsole design