SIEVI VIPER 1+ S1

SIEVI VIPER 1+ S1

Durable and sporty shoes with composite toecaps. Upper material is breathable and water-resistant microfibre, ventilation perforations and 3D-dry® lining in the upper material make these shoes extremely breathable. Double-layer soles are extremely durable and flex grooves ensure that the shoes are highly flexible. FlexStep® soles for excellent shock absorption.