The Pearl Izumi Kissaki shoes are meant to be weapons for your feet. The energy foam cushions the forefoot on impact while the rubber outsole with carbon rubber crash pad protects the heel. It has a seamless upper, interior seam taping and memory foam in collar for comfort and custom like fit. Reflective laces help you stay visible in dark situations and weighs about 9.4oz/266g for mens size 9. Ideal for short races and long distances.