In built arch support for fallen arches pronation problems often resulting in bunions and callouses * Blue spot heel pad provide further comfort for painful heels whilst arch takes weight from heel * Absorb shock when walking to prevents pains shooting up to joints further up the body * Supplied by NHS trusts across UK to prevent painful and costly surgery being necessary * PLEASE NOTE SIZR 9-11 (large) IS OUT OF STOCK, THE BLACK SOLES WILL BE SENT INSTEAD AT NO EXTRA COST