Behold the Salomon ACS + OG Trainers in Green Milieu. Delve into the Salomon archives. In tribute to classic technical footwear, ACS + OG is a contemporary take on archival treasure, a shoe that influenced decades of trail running mastery. Rooted in tradition, revamped and enhanced with an Agile Chassis System for a cutting-edge iteration of a legendary trail legend. Article Fit & Features — — Agile Chassis System— 3D Mesh: 3D open Mesh provides maximum breathability— Anti-debris Mesh— Synthetic upper: great durability and protection for outdoor activities— Front lace pocket— SensiFit cradles the foot— OrthoLite die-cut sockliner— quickLACE lacing system— Outsole: Rubber