The Asics Gel Kayano 23 sneakers are men's athletic shoes in black with green accents. They feature a low top design with a lace-up closure and a cushioned, breathable insole for comfort. These sneakers are suitable for activewear and casual occasions, offering performance for cross training, CrossFit, and running. The outsole is made of rubber for durability, and the upper material is synthetic with a standard shoe width.