The Nike Zoom SD 3 throwing shoe is for the thrower who uses the spin and/or glide techniques. Synthetic leather and mesh upper offers improved fit and breathability. Midfoot strap provides increased lockdown. EVA midsole with nylon forefoot plate. High abrasion rubber outsole. Wt. 13.0 oz.
what is the difference between the "nike Zoom Rotational 5" and the "nike Zoom SD 3?" Besides the price and the extra nike symbol?