PRODUCT DESCRIPTION: Named for the fastest bird on Earth, the incredibly light and agile Peregrine 12 more than lives up to its name. With better traction and more protection, nothing gets between you and the trail ahead. Lighter, faster, and more comfortable than ever, your trail run just got exponentially more fun. FEATURES: Imported Rubber sole Lighter Faster Shaft measures approximately Ankle from arch Infinitely more fun. Over an ounce lighter than its predecessor, the Peregrine 12 delivers more speed for an incredibly fun trail outing. Never skip a beat. Ditch debris with a redesigned lug pattern, while PWRTRAC rubber ensures maximum traction and grip. There's no amount of rugged terrain you can't tackle. Better protection rocks.