So, your feet need some breathing room? The Dominator 5 Mega Loricas are Sidi's most popular mountain bike shoes for those with wide feet. Sidi's Competition soles are stiff for pedal power and compliant for comfort and walking. The Lorica uppers are supple, water resistant and even tougher than leather. And, the Ultra SL Buckles with Arch Compression Straps provide an exceptionally adjustable fit you’ll love.