Bontrager inform biodynamic 46-48 mid-arch insole

Engineered for unmatched pedaling control, comfort and efficiency; 3D Arch Pillar technology provides optimal arch support and improved knee alignment; Precision molded heel helps stabilize and align the foot; Area cushioning Metatarsal foot support helps reduce discomfort; inForm BioDynamic design optimizes natural movement for maximum performance at all times;