The Stabilor provides technology that helps tennis players maintain lateral stability during the starts and stops of a match. OUTSOLE: Non-marking, durable Aosta 7.0 rubber with abrasion resistant DragGuard in toe and heel. MIDSOLE: Shock Spring cushioning technology. Ventilated Cushion Board construction cradles the foot and reinforces the arch to minimize excessive side-to-side movement. UPPER: Full grain leather with TecTuff high-abrasion toe wrap. Stay-Tied laces to keep laces tied. The Roll-Stop Wrap secures both sides of the foot and cinches through the eyelets for adjustable support. Ortholite insole and Heel-Grip lining to minimise heel slippage.