Body of knee pad is 80% premium cotton, 15% rayon, 5% spandex; soft, stretchable, and comfortable like a sock to move and grow with the child.
One Size will fit most from a chubby 6th month old crawler to a 5 year old toddler scootering around town. One Size - 3
Center knee pad cushion is made of EVA cushion that is soft, flexible, and UV and water resistant. Low Profile EVA to cushion impact but not impede natural movement.