My fiancé bought these for me as a gift and I tried to make them work once but decided they were too large. They are in brand new, perfect condition! The Tree Runner is a lightweight everyday sneaker, made with responsibly sourced eucalyptus tree fiber. The Tree Runner has a carbon footprint of 4.52 kg CO2e.Learn more about carbon footprint labeling and our commitments to reduce our impact. Best For: Walking, warmer weather, everyday wear Thermoregulating: Lightweight, breathable eucalyptus fiber provides next-level comfort