The Concave Aura football boot range features unmatched power and pinpoint accuracy. The Concave Aura's Concave Component contributes to gerater power and accuracy while striking the ball. It also comes with F3 (Football Form Fit) which is a unique dual-lacing system technology that offers a supportive, custom fit to all foot shapes without contorting their natural form. A lightweight moulded EVA sockliner provides shock absorption and extra cushioning, in addition to energy return for aiding propulsion. UPPER Full leather. LINING Innovative fusion lining maintains boot construction whilst providing ultra-comfort. OUTSOLE Clear print 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 Form Fit) Unique dual-lacing system technology, snugly supports players feet without contoting the foots natural form.