Diadora - Referee tf (Black/Black) - Women's: An extremely lightweight, comfortable shoe for Referees. Water resistant Supreltech synthetic with ultra lightweight Double Mesh for excellent breathability. Anatomic, removable insole in cotton and shock-absorbing EVA foam. Single density, molded, high-end shock absorbing EVA foam midsole for comfort. Multi-studded rubber outsole provides superior traction on synthetic surfaces and firm natural surfaces. Shoe weighs 11.0 oz.