Color/Material: Black Leather Upper (80%) Design Details: The Elevated Slipstream Slip On Driving Sneaker Can Be Effortlessly Dressed Up Or Down. Handcrafted In Portugal From Soft Italian Suede, This Timeless Wardrobe Staple Features The Patented Roll Control 2.0 Heel Technology, With A Recycled Cork Or Compressed Recycled Foam & Eva Insole And Onsteam Anti-Microbial Lining For All-Day Breathability. Complete With A Red Handstitched Design Detail On The Heel Inspired By A Taillight, The Slipstream Adds A Touch Of Automotive-Inspired Elegance To Your Everyday Style. Patented Roll Control 2.0 Heel Technology For Smooth Movement In The Pedal Box And Equal Distribution Of Downwards Force. A Soft Forefoot For Enhanced Pedal Feel And Feedback. Rounded Sole Edges To Avoid Catching While Transitioning Between Pedals. A Steel Torsion Bar For Improved Foot Stability Rubber Sole Imported