Nike and Reebok were early adopters of CrossFit with Nike’s Metcon Line and Reebok’s Nanos. Initially, Reebok skewed closer to the lifting side with its harder midsole. This worked well for lifting weights but was less comfortable during gymnastics and run-heavy WODs. Nike made a big splash by erring on the run side being a running shoe with a softer midsole material.
The Nike Metcon 7 in action; (photo/Matt Bento)
CrossFitters loved this, as well as the wide toebox. Over the years, Nike and Reebok refined both of their lines, striking a better balance between running and lifting.
As CrossFit grew, Nanos and Metcons became more visible in the public eye as the CrossFit games became televised. Now the two brands are synonymous with the sport, with other brands carving their names out in the space.