The Addiction GTS 15 features

• GuideRails technology adds support by 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 materials create the right blend of stretch and structure for supreme comfort
• One-piece outsole keeps the shoe from flexing too much, which may be hepful for runners with Pedorthic needs