Compiled using only vegan materials, the Model89 offers a modern take on the classic tennis shoe with all round comfort and cushioning. Bio-based napa form part of the innovative design process, which are produced in certified factories in Portugal using local workers and fabrics. The only problem you might have with your Model89 is choosing a colour! Size + Fit European sizing; a EU 36 is a UK 3 We recommend sizing up if you are a 1/2 size. Material + Care UPPER - Corn vegan napa: Cotton 29% + Polyurethane 71% with 68% Bio Based Mass Content. LINING - 100% organic cotton. INSOLE - 60% recycled thermoplastics recovered from the automotive factories + 40% PU foam and 100% organic cotton cover. OUTSOLE - 30% natural and 70% synthetic rubber mix. LACES - Certified organic cotton. REINFORCEMENTS - 65% recycled thermoplastics, 35% wood chips recovered from the carpintery industry. PACKAGING - Recycled box / plastic free and fully biodegradable bag. Designed in Barcelona. Made in Portugal. U