The new balance m880v5 running shoes offer comfort and stability thanks to a dual layer midsole comprised of abzorb and acteva for perfect toe off and shock absorption made for neutral runners the 880 contains new balances effective asymmetrical heel counter to help keep you stable while the fantom fit upper allows for a more secure and breathable fit around the mid foot still as light and responsive as you would expect from new balances premier light cushioned neutral shoe the 880 blen