The Karhu Synchron Classic, known for its unique lacing system, remains a favorite among men. This shoe made its debut in 1980, introducing a one-of-a-kind lacing system on the toe box that set it apart from other footwear. The innovative design aimed to provide a better fit for enhanced comfort and durability. The Synchron Classic 90s edition features an air cushion unit and a stable heel cap to ensure a comfortable and supportive experience with every step. Suede overlays, water-repellent nylon, reflective details, synchronized lacing system, dual-density midsole, air cushion, and special edition Polar Night insole package complete this shoe. It comes in a special edition Polar Night shoe box pack.