There are three keys to owning your competition at the CrossFit Open, says Mathews, who owns Reebok CrossFit LAB in L.A. You’ve got to be strong and able to put up heavy weight efficiently.

A softer, more flexible design makes the Reebok CrossFit Nano 8 a more versatile, comfortable do-everything trainer. It's one of the top weightlifting, CrossFit, and cross-training shoes of winter ...