The hoka carbon x 3 is a high-performance running shoe designed for serious runners who are looking for a shoe that can help them achieve their fastest times. The shoe features a carbon fiber plate that runs through the midsole which helps to provide a springy responsive feel and a smooth transition from heel strike to toe-off.the upper of the carbon x 3 is made from a breathable engineered mesh that provides a secure comfortable fit. The mesh is reinforced with tpu overlays to provide additional support and durability.the midsole of the carbon x 3 is made from hokas profly x foam which is softer in the heel and firmer in the forefoot to provide a responsive cushioned ride. The foam is also designed to be more durable than traditional foam which helps to extend the life of the shoe.the outsole of the carbon x 3 is made of durable rubber with zonal rubber placement for increased traction and durability in high-wear areas. The shoe also features a wide base and early-stage meta-rocker technology which helps to provide a stable platform for runners and a smooth transition from heel strike to toe-off.overall the hoka carbon x 3 is an excellent choice for serious runners who are looking for a high-performance shoe that can help them achieve their fastest times. With its carbon fiber plate responsive midsole and comfortable breathable upper the carbon x 3 provides a smooth cushioned ride that is perfect for racing and fast-paced training runs.