Kids Nandn Little Explorer Professional Snow Hip Pad & Knee Pad SetKey Features: EVAFoamProtection Momentarily Stiffens Upon Impact to Dissipate Energy Ergonomic Hip, Tailbone, and Sit Bone Padding Designed to Flex and Move with your Body Elastic Waistband Adjustable Velcro Straps Closure Size Recommendation: Size XXS For Under 100 cm Height & 28 40 kg 61 88 lb Weight Size XS For100 130 cm Height & 40 60 kg 88 132 lb Weight SizeSfor130 150 cm Height & 60 80 kg 132 176 lb Weight