
On Cloud X 3 review: The biomechanics of a true hybrid training shoe

The Cloud X 3 functions as a true hybrid only for moderate lifting and short runs (about 1–4 miles) by pairing firmer, less-compressible CloudTec foam with a Speedboard to improve force transfer while still attenuating running impacts that can exceed 2.5× body weight. This evidence-based review breaks down where that stability–cushioning compromise works, where it ...



