Machine Stitched: This construction (nylon-winded carcassTPU) ensures soft touch and high durability Butyl Bladder: For best air retention.The EURO-16 Hard Ground football for men. The Hand Stitched construction (PolyesterCottonPU) features high durability and a good touch. The Ball has passed FIFA-tests on circumference, weight, rebound and water absorption. The Special RubberPU outer layer offers high abrasion resistance.