Properties: Eye-catching shoes from Puma. The upper is made of the highest quality ecological leather. The inner lining is fabric. The sole material is high-quality material. The midsole is made with a BETTER FOAM blend that's good for both your feet and the planet. That's because it's made from 35% bio-based EVA from sugarcane. What's more, it features a new, eco-friendly insole that features recycled/bio-based foam and antibacterial properties.