Fabric: RubberSole Material: RubberClosure Type: LaceHeel Type: Flat HeelFabric Type: Synthetic and RubberThis product is made from Primeblue, a high-performance recycled Parley Ocean Plastic material. The upper is 50% canvas and 75% Primeblue yarn. Contains no virgin polyester. Energy Return adidas Boost is created by fusing energy capsules together to give you the energy to keep your feet moving. Ultraboost DNA provides safety information for one of our most popular running shoes, but it is designed for everyday use. This product has been designed in collaboration with the LEGO Group to inspire imaginative play. Continental Better rubber outsole combines fast movement with stability.