Sidi's Genius 5 Pro Carbons are specifically engineered with comfort and efficiency in mind. The supple Lorica uppers are durable, breathable, and tougher than leather. And, Sidi's Arch Compression Straps, Ultra SL Buckles and Velcro straps offer easy adjustment and a custom fit, while the padded tongues maximize your comfort. Plus, Sidi's carbon-injected Millennium 3 soles deliver awesome power transfer. Get the Genius 5 Pro Carbons and your feet will thank you for years to come.