Louis Garneau Granite Mountain Shoes. True to its name, the Louis Garneau Granite Mountain Shoe delivers rock solid off road performance. The Ergo Grip 2 outsole provides an ideal balance of pedaling efficiency as well as off the bike walking capability. The synthetic leather and mesh upper is breathable and delivers plenty of support while its thermobonded design prevents pressure points. A perfect fit is easy to achieve with the combination of a single BOA cable retention system plus a single, offset Velcro strap. Additionally, the Granite sports Louis Garneau's HRS 90 heel cup technology that helps optimize power transfer by keeping the heel perfectly positioned.