With the Rivera, Altra introduces a more streamlined last that fits snugly around your foot while still preserving the brand’s signature foot-shaped toe box (read: no overlapping toes ...

The Rivera 3 rides smoother and softer. It’s an ideal option for runners looking for a minimalism-inspired cushioned trainer or for the zero-drop novice who wants to see what Altra’s balanced ...

The Rivera 3 retains the same slim shape, but Altra has refined the fit such that it feels just about perfect on my medium-width foot. Key to that fit is that while the overall volume is lower ...

Revised foot-shape of the Altra Rivera Photo: 101 Degrees West One tester found the Rivera to be Altra’s “best application of AltraEGO foam so far — they dialed in the durometer and ...