The dualio is based on the design of a training/running shoe 'montreal' released in the early 1980's. Original features such as the cut-out-arch sole silhouette for lightness of weight, the grooves at the midsole for flexibility, and the herringbone tread that handles everything from pavement to rough road are maintained.

• Padded Heel Collar: The padded heel collar offers premium comfort and support around the lower ankle, making it a great option for all-day wear.

Padded Heel Collar: The padded heel collar offers premium comfort and support around the lower ankle, making it a great option for all-day wear.Onitsuka Tiger