These ON sneakers, created with Federer, feature a tennis-inspired upper made of eco-leather with mesh inserts. Front and side perforations, suede logo patch on the tongue, laminated logo on the side and heel, fabric lining with removable insole. Cushioned design with integrated CloudTec® , TPU Speedboard® and grooved rubber sole to support foot flexion. Size and Fit - Heel Height = 3,5 cm,