Boys Girls Protection Hip EVA Paded Short Pants+Knee Pads Guard Protective Gear Blue S 2cm thicker hot pressed EVA pads, strong impact resistance. Comfortable and effective protector shorts and knee pads to use with Roller Sports,Mountion Bike,Trail,Snowboarding,Skating etc. Perfect protectors and guard for vnlnerable hip,thigh and tailbone with ample padding and knees. Red and blue color available for boys and girls. Waist circumference is from S=56cm-66cm(22"-25")/XS=52cm-58cm(19"-22") Knee Pads size is XS(Upper Circumference: 27cm-38cm(10.6"-15"),Down Circumference: 26cm-37cm(10.2"-14.5")) Knee Pads size is S(Upper Circumference: 29cm-41cm(11.4"-16.1"),Down Circumference: 28cm-40cm(10"-15.7"))