The Etonic Quasar style dates back to 1985 with the original Quasar ZX model, a state-of-the-art training shoe for those who require heavy duty stability. Its Graphite Dynamic Reaction Plate and medial stability pillars help counteract excessive pronation. Plus, a PVC heel cup and dual-density foot cradle increase rear-foot support. This men style is light blue nylon fabric and blue suede with white leather inserts. – Suede running shoes with nylon upper – Leather inserts in contrast – Cotton laces in contrast with the upper – Z-Bar saddle system for midfoot support – PVC heel cup – Dynamic Reaction Plate for increased stability – Dualdensity phylon mid-sole – Rubber bottom outsole