Made from Sustainable Materials This shoe's upper is made with around 50% recycled parley ocean plastic Product Features PRIMEKNIT textile upper Lace closure Torsion X bar Textile lining BOOST midsole Rubber outsole The adidas Ultra BOOST 1.0 Running Shoes are imported. Get ready for a super comfortable running experience when you wear the Big Kids' adidas Ultraboost 1.0 Running Shoes. These runners have a breezy PRIMEKNIT upper and an energy-returning BOOST midsole that will keep you running comfortably for miles. Size: 3.5. Color: Black. Gender: unisex. Material: Knit/Plastic. Adidas Big Kids' Ultra BOOST 1.0 Running Shoes in Black/Core Black Size 3.5 Knit/Plastic