Evolving from the previous L20.2 the new HZRDUS PX4 features a composite reinforced thigh rise that is 30% stiffer and a more rigid knee stack to provide better seal. True has also gone with a 40% thinner thigh rise to help reduce pad overlap when getting back up from the butterfly.
With our spec we have kept the thinner out thigh rise on all sets excluding the Black/Red setup which has the previous Thick-Mid-stiff thigh that was what came on the L20.2 model but all will have the single internal & external break. With the strapping we have the FRS system with a 2" Nylon strap at the calf and a elastic 2" strap below knee fixed. For the toe bridge we went with the Push Bungee lace and opted for a no boot strap setup as well.