As the lightest and strongest in the line, Reebok CrossFit Nano 5.0 Crossfit shoes give dedicated athletes the support and performance they need to complete the most demanding movements. The addition of Kevlar® to the upper will give your feet optimal protection without sacrificing flexibility and airflow. You'll love the technical and dynamic look. A 3mm heel-to-toe drop delivers improved stability during any WOD.Upper: DuPont™ Kevlar® infused mesh provides airflow and extreme durability. RopePro carbon rubber wrap is forged with an increased grip pattern providing improved grip during rope climbs while protecting the shoe from shredding.Midsole: CMEVA compression molded foam underfoot offers better cushioning and shock absorption. An anatomical toe to heel construction and footbed provides a natural and secure fit. Polyurethane NanoShell gives an extra defense against midsole abrasion, enhanced stability and support for the foot during heavy lifts. Removable insole. Outsole: Raised outsole lug patterns deliver better surface area contact and improved traction.