Hush Puppies GOOD Womens Recycled Mesh Casual Trainers in Dark Blue. These trainers feature a synthetic upper and lining, with a rubber sole. They have a lace-up closure and are designed to be lightweight, moisture-wicking, comfortable, and breathable. The toe shape is round, and they offer a relaxed fit with a flat heel height (under 2.5cm). The shoe weighs 0.988 KG. The upper and lining are made from 100% RPET recycled material, derived from recycled water bottles. The shoe incorporates Bounce technology for energy rebound and cushioning with every step. The outsole is a lightweight and durable EVA with 20% Bloom algae content. Heel height is approximately 30mm.