The Concave Volt football boots are superlight and minimalistic with a soleplate for tearing up the turf. An exceptionally lightweight football boot, the Concave Volt benefits from a soft touch microfibre upper. It has a slightly smaller but no less effective Concave Component for increasing power and accuraccy. 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 Speed element contributes to egreater accuracy when striking the ball. F3 (Football Form Fit) Unique dual-lacing system technology, snugly supports players feet without contoting the foots natural form.