So, your feet need some breathing room? The Dominator 5 Megas are Sidi's most popular mountain bike shoes for those with wide feet. They boast exceptionally comfortable Lorica uppers with soft, padded tongues and conforming plastic heel cups. And, Sidi's stiff, ergonomic Competition soles that deliver amazing pedal power and comfort. You also get Sidi's Arch Compression Straps and Ultra SL Buckles for a great fit and feel, and easy adjustability.