SizeS--Upper width15cm,Lower width13cm,length27cmRecommendedlegcircumference30-34 cm,Suitforweight:35-40KGM--Upperwidth16cm,Lowerwidth14cm,length27cmRecommendedlegcircumference35-41cm,Suitforweight:40-60KGL--Upperwidth17cm,Lowerwidth15cm,length27cmRecommendedlegcircumference42-47cm,Suitforweight:60-75KGXL--Upperwidth18cm,Lowerwidth16cm,length27cmRecommendedlegcircumference48-55cm,Suitforweight:75-95KGXXL--Upperwidth19cm,Lowerwidth17cm,length27cmRecommendedlegcircumference56-63cm,Suitforweight:95-110KGXXXL--Upperwidth20cm,Lowerwidth18cm,length27cmRecommendedlegcircumference63-70cm,Suitforweight:110-125KGSpecificationsWeight:80g per pieceMaterial:NylonSuit for:AdultApplicable Scene:Fitness,Basketball,Volleyball,Cycling, Running and so onPlease allow 1-2cm measuring deviation due to manual measurementDuetovariousmonitorsandlightingconditions,colorsmaybeslightlydifferentfromlistedphotosFeatures1.3D WEAVING2.PRESSURIZATION3.Non-slip silicone strip,Breathable,Dynamic 3D lines,excellent workmanship4.Arthritis JointsReliefPacking ListFirst Choice:2 Piece XKnee Pads,if you choose 2 Pieces design in thevarietySecond Choice:1 Piece XKnee Pad,if you choose 1 Piece design in thevariety