Stitchless upper with SPRINTWEB overlay for lightweight support and lockdown. Coolever mesh lining's clover-shaped yarns wick away sweat to keep you dry, fresh, and focused. EVA midsole for lightweight cushioning with every step. Pebax plate provides a rigid, stable platform strong enough to withstand an explosive approach and takeoff. Sharkskin traction pattern and spikes grip the track during your approach for the power you need to make a clean jump. Includes 3/8" pyramid spikes and wrench. Wt. 9.1 oz.