If you are a trail runner who climbs this is your shoe for all serious mountain running and casual approaches. La Sportiva built the COLORADO TRAIL for predictable climber-like traction on rock, hard pan, mud and snow while providing the support and protection hard core, high mileage athletes need. Take the lead with self-cleaning cleated sole for uphill traction and specific function built in for down hill braking and control - where races can be won... or lost. Built on the Exum Ridge last for a great fit and slightly stiffer with firm MEMlex/RockShock midsole, 2.5 mm trail shank and composite forefoot rock guard. Essential to-the-toe lacing provides total volume adjustment and super control for technical trails and scrambling. Synthetic leather upper with breathable mesh panels and rubber toe cap will keep you hummin' all day long. Delivered anywhere in North America.