From the manufacturer

The ReaFlex Ultra-lite EXT is engineered for maximum pedal efficiency and comfort and covers the knee and shin. Minimalistic, comfortable, it has an ergonomic fit and uncompromisable CE certified impact protection. The ultra-lightweight construction and silicone grip panels provide both improved comfort and fit. The extended leg sock offers great support high on the thigh, relieving pressure from the calf.

Features

Total Leatt® protection score of 12 points | Ultra light high-rise sock for improved fit and premium comfort | AirMesh ventilation, and moisture wicking fabric ideal for longer rides and warmer climates. | CE tested and certified as impact protection: Knee EN1621-1 Level 1 | Hard shin guard to protect against pedal strike, and side and upper thigh padding for additional protection | All protection materials perforated for superior ventilation