Leggings made of Carbon Underwear fabric for children from 4 to 12 years of age: breathability and thermoregulation always at the top. Legs at the optimum temperature in any condition. Ideal for all sports, from motorcycling and running to winter sports Antistatic system : the carbon yarn isolates the static electricity caused by the rubbing of fabrics Seamless technology : seamless garment to provide absolute comfort Materials : Carbon Underwear Breathability and thermoregulation without compromise. Perfect for all seasons of the year. Antistatic fabric 77% Polypropylene, 15% Polyamide, 5% Elastomer, 3% Carbon Fiber