Mitre Super Dimple Football Features:. Specialist training - developed to specific requirements for players and games. Built to last - Hardwearing rubber moulded ball for asphalt concrete and tarmac. Textured surface - embosses grip pattern extends material lifespan. Just so you know this ball will be sent out and delivered deflated. 85% RUBBER (cover and bladder material) 15% POLYESTER (thread and fibre)