The collection will come in two seperate releases. The 991.5, 670 and 576 will release on September 4th and the 575, 577 and 1500 on September 24th.

 

New-Balance-Surplus-Pack-NB-Surplus-packshot-drop2_copy_viufgpNB-Surplus-packshot-drop1_ncfdiy

Sources: nicekicks, new balance