Cloverleaf 2 Knee Pads Rugged 900D polyester chassis with Airprene panels for ventilation Full-coverage TPU knee capD3O® LP1 knee impact protectorsReplaceable knee sliderAdjustable straps fits most riders, see overpants size charts for Men and WomenDesigned and developed in Portland, OregonContent: 73% Polyester/27% Polyamide (exclusive of decoration)