this road riding boot incorporates Alpinestars breathable membrane as well as internal protection and a breathable mesh liner and padding for superb levels of comfort and performance

• Ventilation window on the back of the protector for additional ventilation

as well as a reinforced toe box

plus a conductive index and thumb for optimal ease of use

nucleon flex plus knee protectors black Type_Helmet Accessories this road riding boot incorporatesThe 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.