Apex Running and Walking shoes are constructed with the most advanced technological features and represent the highest standards in performance and comfort. Our V-last styles are designed for added traction and stability.V-Last Features:V-Last technology designed for superior stability5/16" removable depth in 2 layers for fitting flexibilityMulti-density midsole with supporting EGX footbridgeMedial support for over-pronationQualifies for A5500V-Last styles are shoe recommended for those who have arthritis, diabetic feet, plantar fasciitis, or who need arch support, shock removable insoles, high/wide toe box, adjustability, stability, X-wide widths.They're great for perfect feet. Awesome for feet that hurt. Built to the highest standards that support and protect diabetic feet.