Men's SR-1 Tempo Runner Size (US):4.5 generating greater ground contact and

generating greater ground contact and force through every rep

- Beveled Heel to assist with landing control

Lightweight comfort

Whether you're a seasoned runner or just getting into racing

positioned between two full length pieces of 100% Pebax® supercritical foam for ultimate comfort

Men's SR-1 Tempo Runner Size (US):4.5 generating greater ground contact andSpeed. Traction. Lightweight comfort. The SR 1 Tempo Runner is equipped with the latest in foam technology, Surge NRG+ enhanced with supercritical foam for ultimate comfort, response and durable support for any movement. This runner features a lightweight monomesh upper for unmatched breathability that's perfect for interval training, jogging, or walking. It's designed to keep your feet cool and comfortable throughout your exercise routine.