Bliss classic knee padsflexible bike knee pads with an ergonomic design for optimum fit on the joint between the upper arm and forearm the protector inserts from thermoplastic material protect the knees from falls and absorb the impact energy additional reinforcements in the joint area to improve the abrasion resistance elastic velcro straps fix the cover above and below the knee joint ce certified according to en 1621 1 features ce certified en 1621 1ergonomic cutintensefied material at kn