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Fashion Value Chain

IDTechEx Tracks Growth in Sustainable Bio-Based Leathers

With rising environmental concerns around traditional leather, companies are turning to innovative alternatives. The latest IDTechEx report, 'Emerging Alternative Leathers 2024–2034', explores this shift, profiling over 70 companies and projecting strong growth in the sustainable leather market. Why Leather Alternatives Matter Over 20 billion sq. ft. of leather are produced annually, contributing heavily to deforestation and greenhouse gas emissions. In response, eco-alternatives such as mycelium, plant-based, microbial, and lab-grown leathers are gaining momentum, offering viable replacements without the ecological burden of animal-derived or plastic-based options. Mycelium: Nature's Leather Mycelium leather is a standout material due to its low water use, biodegradability, and non-agricultural footprint. Its natural structure can replicate the texture and feel of animal leather. Although scalable and potentially cost-effective, it faces high setup costs due to the need for sterile, climate-controlled growth environments and non-traditional infrastructure. Plant-Based Options Derived from natural materials and byproducts, plant-based leathers often incorporate plastics to enhance performance. These materials are generally more eco-friendly, with lower emissions and water use, and can integrate into existing manufacturing systems. However, they may fall short in mimicking the exact look and feel of traditional leather. Microbial and Lab-Grown Sheets Microbial leather uses agricultural waste, converted by microbes into useful materials like cellulose or collagen, which are then processed into leather-like sheets. When made without plastics, it offers high sustainability potential. Lab-grown leather, cultivated from animal cells, aims to match real leather's molecular structure. Despite reducing livestock use and waste, its high energy and chemical needs make it suitable mainly for luxury applications due to high production costs. Market Outlook Among alternatives, mycelium and microbial leathers are leading the market in cost-effectiveness and scalability. IDTechEx projects the vegan bio-based leather sector to grow at a 37.4% CAGR through 2034, driven by brand demand and consumer preference for sustainable options. For more details or to access the report: Visit Explore sustainability research at