Asics DS Racer 10 Review: A Versatile Racing Flat。Asics Gel DS Racer 7 - Mens Running Shoes - Red - Size 10.5 - Style #TN620. In excellent pre-owned condition! Please note: These do NOT include insoles. Brand: Asics Product Code: 3453 | MPN: TN620 2290 Fast midsole and outsole tooling combined with a sleek, breathable upper makes the ASICS DS Racer a leading lightweight performance shoe for the road and events. The Racing Trusstic system provides stabilization throughout the midfoot phase in order for a smooth yet responsive toe off. Duomax posting provides a supportive factor for any over pronating runners. Suitable for any long distance running or tempo training work.