Puma evopower 23 firm ground football boots yellow the puma evopower 23 firm ground football boots feature soft microfiber upper material and griptex technlogy for improved ball control with accufoam lining enhancing kicking accuracy a new anatomically engineered lightweight outsole meanwhile allows the foot to bend in a barefoot striking motion with the new stud configuration of these puma evopower 23 boots offering an optimal mix between stability and agility on firm ground surfaces