Saucony Women's Peregrine 11 Trail Shoes Cherry/Gravel Size 6.5 B Medium USAggressive 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.