Adidas children's shoes for a harder surface The Adidas Jr Barricade Ftwr children's tennis shoes have an adaptable lacing system that adapts to the shape of the foot and the stabilization element Torsion System strengthens the foot during fast movement, and your child will enjoy a pain-free and comfortable training or match. They feature Geofit anatomical technology around the heel. The cushioning Adiprene midsole softens the footfall and dampens the jump on hard surfaces. They are partially made of recycled materials. Material: textile, synthetics, rubber