Apex X521 Boss Runner Active Shoe (Men) - White/Navy – The 。Apex Running and Walking shoes are constructed with the most advanced technological features and represent the highest standards in performance and comfort. X-Last for superior motion control 5/16\" removable depth in 2 layers for fitting flexibility Carboplast footbridge for motion control and stability Slip-resistant rubber outsole for increased traction Qualifies for A5500 X-Last styles are shoes recommended for those who have arthritis, diabetic feet, plantar fasciitis, or who need shock removable insoles, high/wide toe box, adjustability, stability, traction, 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.