Endorsed by Jimmy Anderson - Designed to his specifications, these boots truly are the professional's choice. adiPRENEÂ® - Lined insole dissipates rebound shockwaves away from contact areas to minimise the risk of injury. Synthetic Mesh Upper - offers superb breathability and support. Ten Steel Spikes - Located on the shoe's outsole, these provide exceptional traction and purchase during a delivery stride. TPU Injected Torsion Bar - Maintains the foot's shape and form to minimise the risk of injury.