Breathable, lightweight spacer mesh upper delivers complete comfort External heel counter provides extra support & locks in the back of your foot Molded, cushioned ankle & heel collar for added comfort & support Removable, comfort sockliner for added cushioning, support & seamless comfort Breathable, lightweight spacer mesh upper delivers complete comfort External heel counter provides extra support & locks in the back of your foot Molded, cushioned ankle & heel collar for added comfort & support Removable, comfort sockliner for added cushioning, support & seamless comfort