Men's NIKEA(R) FREE METCON 3 :: If you crave the flexibility of the Nike Free and the strength of the Metcon you can get it all with the updated Men's Nike Free Metcon 3 training shoe. Shred every session with plenty of agile flex while a flat wide heel keeps you stable while lifting. With a softer foam cushion core and firmer outer layer your Free Metcon 3 is fine-tuned for the performance and comfort you demand.