Cloudswift Trainers by On-Running Made for urban running and living. Take each stride with a cushioned landing with Helion™ superfoam midsole - this temperature resistant material provides unchanging performance in hot or cold climates. Featuring a quick lace up system, elevated rubber reinforcements for better traction and a breathable mesh upper. Recommended for city running and 5K runs. - Total recycled content: 5% Recycled - Polyester: about 15% recycled - Please note: This model runs small. We recommend taking the next size up.