Reebok International J5 Nano 5.0 Flat Grey/Black (M49797) 100% Kevlar, Synthetic, Mesh DuPont Kevlar infused mesh upper for airflow and extreme durability. CMEVA compression molded foam underfoot for better cushion and shock absorbtion. An anatomical toe to heel construction and footbed for a natural and secure fit. Polyurethane NanoShell for an extra defense against midsole abrasion, enhanced stability, and support for the foot during heavy lifts. RopePro carbon rubber wrap is forged with an increased grip pattern providing improved grip during rope climbs while protecting the shoe from shredding. Raised outsole lug patterns for better surface area contact and improved traction. 3MM heel-to-toe drop for improved stability during any WOD.