Product Details Hit the trails at peak speed. Feel the speed and grip of the always-capable Peregrine 11. Built on a trusted foundation of PWRTRAC rubber lugs and PWRRUN cushioning, it delivers a ride that feels both aggressive and responsive. And with an even more protective upper than before, it’s packed with everything you need to move fast over any type of rugged terrain. Overview Aggressive lugs made of PWRTRAC tacky rubber conform to dig in and confidently grip a wide variety of terrains. PWRRUN cushioning supplies a responsive feel while a rock plate ensures additional protection for pushing uphill and driving downhill with confidence. "The new ultralight, durable top layer adds durability to the comfortable air mesh bootie so nothing snags your speed.