Reebok reached out to avid CrossFitters everywhere to update the design of these men's CrossFit shoes. The Stretch Flexweave upper delivers a locked-in fit, and a midfoot support cage provides stability for heavy lifting days. The Polyurethane NanoShell protect midsole from abrasion and helps support during heavy lifts. Responsive cushioning offers comfort for run-heavy WODs. Under your foot, the decoupled, abrasion-resistant rubber outsole allows for training on varied surfaces. Outsole flex grooves add increased flexibility.