The Concave Halo football range is designed for the technical player hell-bent on taking control of the game and not letting it go. With it's external moulded rubber Concave element, the Halo gives a superior fell of the ball, along with increased power. A textured upper is designed to to grip the ball on the entire vamp, enhancing the ball feel and increasing control. Concave's F3 - Football Form Fit dual lacing system technology offers a supportive, custom fit to all foot shapes without contorting the foot's natural form, while a lightweight moulded EVA provides shock absorption, extra cushioning and energy return to aid propulsion. Upper PU synthetic Lining Textile and PU synthetic Outsole One part TPU injection Sock Liner Removable shock-absorbing cushioning and energy return. Perforated for ultra-breathability Stud Configuration Engineered from lightweight alloy, the AMO performance stud provides optimum traction on soft ground surfaces. The stud's slender conical tip allows for fast movement and agile response. Concave Element Contributes to enhanced ball feeling and control whilst delivering the power that Concave is renowned for. F3 (Football Formal Fit) Dual-lacing system technology snugly supports players feet without contorting the foot natural form.