Material: Lining Textile: Stitchbond (50% Polyester / 50% Recycled Polyester) / Neoprene (90% Recycled Polyester / 10% Elastane) / Microfiber Suede (50% PU / 50% Nylon); Vamp Lining: Stitchbond (50% Recyled Polyester / 50% Polyester), Footbed Composition: PK Mesh (100%Recycled Polyester), PVC + EVA