NEW Sizes: men 5–13,14,15; women 6–12 Weight: 5.7 oz. (w/spikes, men’s 11); 4.7 oz. (w/spikes, women’s 8) Spikes: 6, replaceable Upper: mesh, synthetic overlays Innersole: sheet EVA Midsole: fulllength sheet EVA Outersole: combination Pebax spike plate (forefoot), thermoplastic sharkskin (heel) Recommended for: 1500 meters & up, hurdles & jumps; synthetic surfaces