THIS HOODIE IS MADE FROM A LAB-GROWTH PROTEIN FIBER "BREWED PROTEIN™"- A SYNTHETIC MATERIAL INSPIRED BY DNA COLLECTED FROM NATURE. THIS UNIQUE AND REVOLUTIONARY FIBER IS BIO-BASED AND DOES NOT RELY ON ANIMALS OR PETROCHEMICALS TO CREATE ITS LUXURIOUS, SMOOTH FEEL. INTRODUCING SPIBER'S BREWED PROTEIN MATERIALS. CREATED THROUGH A FERMENTATION PROCESS FOR A FINAL MATERIAL THAT'S KINDER TO THE PLANET, CONTAINS NO ANIMAL DERIVATIVES, AND REQUIRES LESS LAND AND WATER THAN TRADITIONAL WOOL OR CASHMERE. FEEL THE DIFFERENCE WITH THE ULTRA-SMOOTH FIBER FINISH.