Take a peek into our archives. In homage to quintessential technical footwear, ACS + OG is a modern adaptation of archive gold, of a shoe that shaped years of trail running expertise. Rooted in history, reinvented and upgraded with a stride-stabilizing Agile Chassis System™ for a progressive adaptation of a true trail icon. Lacing system Quicklace® Waterproofness None Lining Textile Inlay sole Textile Outsole Rubber Upper (MCL) Synthetic / Textile Article ref. L47287100