New Balance - RX 800 (Spikeless) (Black/Gold) - Men's: High performance racing spike built with a lightweight upper and an aggressive 6 spike outsole suitable for cross-country, indoor, and outdoor track. ACTEVA(tm) midsole which is a homogeneous foam cell structure resistant to compression set. Synthetic/mesh upper is lightweight and supportive. TPU spikes. Solid Rubber/TPU Outsole. RL-1