EXCLUSIVE AT NET-A-PORTER. Another Tomorrows biker jacket is made from MIRUM - an innovative, entirely plant-based material that uses rubber, oils and waxes to create its durable, buttery texture. Faded for a vintage effect, it has a classic cut that belongs in any well-curated closet.brbrLower-Impact Materials. This product is made using at least 50% lower-impact materials or ingredients. Find out more about our NET SUSTAIN criteria a href=https://www.net-a-porter.com/en-gb/campaigns/net-sustainhere./a