adidas - Siclo W (Cement/Black/Stone) - Women's: A thin gull-length insert provides maximum pedaling efficiency for bike messengers and other adventurous types. Suede upper for stylish look and feel. Pigskin leather lining for comfort and durability. Molded OrthoLight anti-microbial moisture wicking sockliner. Die-cut EVA for lightweight comfort. TPU plate for stiffness and rigidity. High traction rubber, for ultimate in grip.