adidas - Siclo (Black/Cement/True Red/Gold) - Men'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.