New Balance Women's WR1226 Running NBX Shoe 100% Synthetic and mesh Rubber sole Outsole: N-Durance--N-Durance outsole provides long-wearing durability. Cushioning Technology: Abzorb--Abzorb softens the impact, absorbs shock and displaces energy. Heel Technology: N-ERGY--Offers shock absorption and cushioning Model Number: WR1226WB Classification: Motion Control/Stability