Alta Industries knee pads are coming up again in our radar and here is an review done Alexander of Red Army Airsoft for Russian airsoft retailer Airsoft Store, on the AltaCONTOUR-360 VIBRAM Knee Pads... "Overview of one of the most technologically advanced and reliable knee pads to protect the knee joints from various negative effects. The knee pads were developed by Alta Industries in collaboration with the Italian Vibram. In the review, the structure of the knee pads is analyzed in detail and their severe crash test is carried out."