On Cloud X 4 vs Nike Metcon 10

The Metcon 10 is the stronger pick for most people who lift and do mixed training. It has a firmer, more stable base for heavy squats and a more durable outsole, and its larger review base backs that up. The Cloud X 4 is lighter and more flexible, so it feels better for agility work, short runs and all-day wear, but it gives up stability under load. Owners of both lines praise comfort and fit; the Metcon's edge is grip and structure, the Cloud X's is a softer, more natural ride.

• Choose the Cloud X 4 if you want a light, flexible shoe for HIIT, bodyweight circuits and everyday wear, and you don't need a rigid platform for heavy barbell work.
• Choose the Metcon 10 if you lift seriously and want a stable, grippy shoe that also handles cross-training and rope climbs.