Blending sporty elements with formal design, the new addition to the Ecco family, the ST 1 Hybrid 836404 derby shoes are a delight to wear. Soft full-grain leather upper. Traditional lacing system for adjustability. Low-profile construction for ankle mobility. Leather and textile lining for comfort. Removable leather-covered insole for cushioning. Ultra-light Phorene midsole to absorb shock. Fluidform technology for more energy return. ECCO SHOCK THRU point in the heel for shock absorption. Lightweight and flexible sole.