Asics Gel-Kayano 31 1012B670-200 Sneaker Women's 7.5 Birch Running Shoes RHS5882 Description Asics Gel-Kayano 31 1012B670-200 Sneaker Women's 7.5 Birch Running Shoes RHS5882. Product Detail • Brand: Asics • Model: Asics Gel-Kayano 31 1012B670-200 • Department: Women's • Color: Birch