EVA Midsole foam uses approximately 3% bio-based content made from renewable sources to help reduce our carbon footprint Suede/mesh upper ENCAP midsole cushioning combines soft foam with a durable polyurethane rim to deliver all-day support Rubber outsole contains 5% recycled rubber Adjustable lace closure for a customized fit New Balance Women’s WL574V2/WL574IK2 CORE