The Metcon 4s, named after their intended use during Metabolic Conditioning, or prolonged high-intensity workouts, are a Crossfit staple. If you go to any box or cross training gym, chances are you'll see a close to 50-50 split between the members sporting these or the Reebok Nanos. This is because they are made to do pretty much everything. They have a condensed heel to provide some impact reduction while running, while also preventing side to side shifting or tilting in the heel during weighted lifts. And while Nike has introduced a flyknit version, many have experienced sizing and performance issues making the traditional Metcons the pick that won't steer you wrong from 800m run to low bar back squat.
Available on Nike.com for $130
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