Soft and Ventilated Knee Guard. Leatt®'s soft-shell 3DF impact foam knee pads just keep getting better and better. Now with a totally new and refined sleeve construction and packed with their latest material tech. Leatt® knows ventilation, fit and anti-slip is key for you, and great protection is a given. Therefore the new 2019 3DF 5.0 is at its best right now! CE tested and certified protection that scores a total of 13 points in the Leatt protection rating system. Total Leatt® protection score of 13 points. 3DF AirFit ventilated soft impact foam. CE tested and certified as impact protection: Knee EN1621-1. New slim, CE impact certified knee pad profile. New ventilated perforated neoprene sleeve. New increased side protection. New anti-slip calf band and silicone grip lining.