Upper Material: 25% Bio Microfibe Eyelets: 20% Bio TPU 80% TPU Webbing and Trims: 100% Recycled Post Consumer Polyester Laces: 100% Recycled Post Consumer Polyester Tongue: Inner: / Outer: 50% Recycled Post Consumer Polyester 50% Bamboo Collar: Inner: / Outer: 50% Recycled Post Consumer Polyester 50% Bamboo Footbed: 79% Latex 100% Post Consumer Recycled Polyester Covering Lining: 50% Recycled Post Consumer Polyester 50% Bamboo Outsole: EPR 10% Bloom, Rubber Protective Toecap: Fibreglass Protective Midsole: Composite Branded Tongue Label: 100% post consumer recycled polyester