robust, lightweight, with extra wide fit, dirt-resistant and smooth lacing system, best cushioning properties in the forefoot and heel, extremely cushioning ankle foam to protect against painful impacts, anatomically shaped, foamed heel basket made of polyurethane for stability and protection against twisting, reflective elements for optimum visibility, climate-optimized, breathable materials, virtually seamless upper construction to prevent pressure points,replaceable, anti-static comfort footbed with moisture transport system and additional heel and forefoot cushioning