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

Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Dec 02, 2025 · 11 min read
The Cloud X 3 functions as a true hybrid only for moderate lifting and short runs (about 1 to 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 times body weight. This evidence-based review breaks down where that stability and ...