Superfeet Active Support Medium Arch e-case CRUX™on/off valve and Quick Link™

CRUX™on/off valve and Quick Link™ connector

Useful storage in a Matrix™ chest pocket

rural excursions

WingLock™ Valve: Our intuitive and dependable valve maximizes air flow for easier inflation and quicker deflation

Superfeet Active Support Medium Arch e-case CRUX™on/off valve and Quick Link™Best For: Running, walking, training, athletic shoes Fits Best In: Moderate to Tight fitting RUNNING and WALKING footwear with removable insoles Arch HeightMedium ThicknessMid CushionSemi Firm Medium arch signature Superfeet shape adds stability and comfort to your shoes, reducing stress on feet, ankles, knees, and back. Improves efficiency, reduces fatigue, and supports every step. Responsive EVOLyte carbon fiber cap and a thin layer of Aerospring