Game-changing comfort defines an ultra-lightweight running shoe grounded on the most cushioning of any road shoe in the HOKA ONE ONE lineup. It goes the distance and is spring-loaded with a propulsive carbon-fiber plate. The extended crash pad acts like a veritable marshmallow, with Meta-Rocker technology keeping consistent performance underfoot at any distance. Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step Removable OrthoLite® insole Synthetic and textile upper and lining/rubber and synthetic sole