Tepor membrane to add a water resistant yet breathable barrier between the elements and the rider’s feet. Lorica outer construction. Perforated Teflon treated nylon lining. Composite inner sole. Removable arch support. Double stitched in all high stress areas. Fully encapsulated heel cup. Zipper and Velcro closure system. Dual compound sole. DuPont polymer toe shift pad. DuPont polymer ankle cup. Strada Air bullet points only: Kent Vent (2) air intake scoops for maximum airflow. Rider magazine: “…the Strada's take to a bike like fleas to a dog.” Sport Rider magazine: “…riding through a downpour our feet stayed perfectly dry.” Roadbike magazine: “Because I often commute at least an hour to and from work on a bike, I appreciate a good set of boots. I need them to give me protection, comfort and a reasonably cool look – that’s why I like the Sidi Strada Tepor.” Chicago Daily Herald newspaper: “These boots will keep your feet dry for as long as any rider will stay out on the road in wet weather.”