They are equipped all around with AeroMesh, which is sweat-absorbing and antibacterial. SqueezeBox is a specially developed and patented joint system for optimal adjustment to the knee and shin ergonomics when pedalling - no more slipping. Armadillo Duo are high-quality two-component protection surfaces made of shock-absorbing polypropylene in the knee and shin area. Skid Protection, a tear-resistant nylon outer layer, minimizes rubbing through during falls. The protectors are also equipped with NockOut, an impact-absorbing padding along the leg, in the thigh and lateral knee area as well as in all important zones, an integrated side padding (SideTap), optimized Velcro fasteners for maximum elasticity and flexibility (LoopLock) and silicone closures that prevent slipping.