Recycled Cotton upper‐made with at least 50% recycled cotton which helps keep waste out of landfills and requires less water and energy than conventional cotton. EVA midsole with rubber outsole. OrthoLite EcoLT-Hybrid insole for enhanced comfort and breathability made with 26% eco content including 15% hybrid materials, 6% bio-oil and 5% recycled rubber. Outsole height is approximately 1 1/4". REPREVE recycled polyester blend lining, made with post-consumer plastic bottles. Vegan Synthetic heel pull with elastic knit collar. Asymmetrical seam and V gore. Part of the TOMS earthwise collection - products designed with the planet in mind. Your TOMS purchase helps support childrens education, health and well-being, giving kids everywhere the gift of better tomorrows.