Slimmer. Sleeker. Snugger. This new, open-road-ready shoe is our first trim-fitting FootShape™ shoe. Transform your road-running with the tried-and-true Altra EGO™ midsole, a light and breathable engineered mesh upper, and a Neutral Innerflex™ outsole for flexibility and performance. Go with the flow for all your road-running needs with the all-new Rivera.