The Good Toepost; Its high energy return EVA foam midsole combined with its advanced insole for added support and superior cushioning allows comfortable yet secure wear throughout the day.- 100% Recycled RPET Upper made from recycled water bottles- Bounce Plus Midsole and Footbed- High energy return EVA foam midsole- Lightweight and durable EVA Outsole with Bloom 20% (10% Algae)