POLISPORT offers this one size adult knee / knee pad called DEVIL. For us this protection is an excellent mid-range product at an excellent price because it will protect you very well with a great freedom of movement. This shell is made of polypropylene, it allows in case of shock a good absorption. Hard shell reinforcements have also been put in for optimum protection of your shin and knee. The kneepad is studied to protect you well but it was also seen to allow a very good ventilation to have an excellent ventilation of the air. The fixing of these knee pads is done by elastic scratch bands with laminated silicone bands for an excellent maintenance without pressure.