Upper: Mesh, Polyester, PU (Polyurethane).Insole: EVA.Fabric Technology: Breathable, Lightweight.One-Piece Tongue And Collar, Seamless, Sock Fit.Flat.Cut: Low.Design: Contrast, Logo.Toe Style: Round.Fastening: Lace Up, Loop.Sustainability: Made from Recycled Materials.Protects from Blisters.Colour: Black/White.