Puma evopower 13 firm ground football boots yellowthe puma evopower 13 firm ground football boots are specially engineered to optimise the interaction between kicking velocity and strike accuracy designed for use on firm ground surfaces these puma evopower boots employ innovative one way stretchable adaplite upper material that combines with gsf outsole technology to allow the foot to bend and kick in a barefoot motion enabling optimum power deliveryfurther features include the applic