Joma Propulsion football boots are for professional players who are looking for the lightest boot with the best fit. Each component, is created with state-of-the art technology. Made of microfiber water resistant whic high quality microfibre. Built with interir nylon with a tensile strength of woof 800N/50 mm and warp 600N/50 mm. Pre-formed EVA insole fitted to the last. High quality nylon outsole with DIN-40 abrasion. Joma's lightest sole designed for premier league football. Characterised by its lightness, weighing a mere 52g, the Spanish brand's lightest ever sole. UNIQUE manufactured in two densities allowing for torsion and flexion where required by the foot, thus avoiding deformation and preventing possible injuries. It has an outer buttres to assist heel grip.