2Pcs Children Teens Adult Basketball Knee pads Running Cycling Kneepad Football Knee Brace Support Protector Calf Sleeves s: Material: lycra (spandex / polyester) Color: Black / White /Blue / Red Features: crash, non-slip, breathable, comfortable, high elasticity Size: 2XS---Up circumference 24cm,bottom circumference 20cm,length 24cm,Height 90-120cm,Weight 12-21kg XS---Up circumference 26cm,bottom circumference 24cm,length 26cm,Height 120-135cm,Weight 22-30kg S---Up circumference 28cm,bottom circumference 26cm,length 30cm,Height 140-165cm,Weight 30-42kg M---Up circumference 32cm,bottom circumference 28cm,length 30cm,Height 160-170cm,Weight 42-55kg L---Up circumference 36cm,bottom circumference 32cm,length 31cm,Height 160-180cm,Weight 55-70kg XL---Up circumference 40cm,bottom circumference 36cm,length 31cm,Height 160-190cm,Weight 70-90kg 2XL---Up circumference 44cm,bottom circumference 40cm,length 31cm,Height 170-195cm,Weight 90-105kg Package:2pcs * Knee pads