Size 8.5-9 "New Style" Peak Line Replacement Pads These pads provide performance on shingles, plywood, wood shakes, felt and slate. For use with the following Peak Series of boots: Performer and Estimator. Please note: Any boots produced prior to May 2015 are discontinued. Replacement pads are no longer available. The new Peak Series Pads will NOT work with the older model boots. Under no circumstances should the boots be used after five months of daily use. The Velcro (Hook & Loop) can become brittle or blunted, causing the pad to slip or disengage from the boot.