nucleon flex plus knee protectors black leather the Nucleon KR-1 Cell is

the Nucleon KR-1 Cell is extremely lightweight and breathable

as well as a revised shape for excellent freedom of movement

hand washable for easy care

they use a synthetic microfiber chassis with accordion flex zones

thanks to its adjustable harness

nucleon flex plus knee protectors black leather the Nucleon KR-1 Cell isThe Nucleon Flex Plus family of protectors feature a rider friendly design which adapts to the contours of the riders body, thus ensuring maximum comfort and protection. Boasting a sleek, low profile shape, these protectors blend a lightweight, perforated open cell structure with Alpinestars Flex technology in an ergonomic design for maximum levels of movement on the bike.