New Balance Women's W870v3 Running Shoe 100% synthetic Imported Rubber sole 8mm heel-to-toe drop This is a stability shoe designed for mild to moderate over-pronation No sew material application reduces chaffing ABZORB midfoot cushioning REVlite midsole reduces weight Ndurance outsole durability Built for durability on the road, this cushioned running shoe features breathable mesh on all sides.