With ergonomically profiled Nucleon Flex Technology protection held securely in position via an elasticated top strap and silicon hems, the Bionic Flex Knee Protector incorporates comfort padding with a soft-touch stretch mesh which prevents heat build-up. The asymmetric and lightweight design ensures this knee protector provides optimal levels of comfort and freedom of movement. Extremely lightweight, durable and flexible protector constructed from a breathable stretch mesh for a comfortable fit. Convenient and time saving slip-on design with elasticated hems and silicon printing to prevent slippage. Nucleon Flex Technology protectors are highly perforated and secured on the outside of the sleeve for excellent breathability and ventilation. Additional side foam padding for additional coverage. Abrasion-resistant fabric front panel for increased durability.