Hush Puppies Bounce ECO footbed provides energy rebound with every step and retains its comfy cushioning. Now made with new bio-based formula to help minimize eco-impact. Ultra-lightweight sole and breathable mesh material for a light, airy feel.- 100% Recycled RPET Upper made from recycled water bottles- Bounce Eco Footbed provides energy rebound with every step and retains it's cushioning for all day comfort. Now made with our new bio-based formula to help minimize our eco-impact.- Lightweight and durable EVA Outsole with Bloom 20% (10% Algae)- Slip lasted Strobel construction for flexibility and comfort- Lightweight and durable EVA outsole combined with BLOOM 20% (10% Algae)