The Addiction GTS 15 is soft, supportive, and super protective. Updated with unique technology to align your body in its natural motion path while keeping excess movement in check Unique forefoot construction allows space for orthotics or feet that need a high-volume shoe 3D Fit Print and Engineered Air Mesh create the right blend of stretch and structure for supreme comfort One-piece outsole keeps the shoe from flexing too much Men's Brooks Addiction Gts 15