Forget keeping your cool - keep your warm with the Pair of USB Rechargeable Heated Insoles Just pop these insoles into your shoe or boot after heating them up to thaw out cold feet Includes a USB cable to charge them up using a computer or portable adapter A must-have for super-cold days out and about Cuttable design means it will fit any shoe style and foot size Washable and reusable if they need freshening up Just cut along the dotted line to fit UK shoe sizes for men and women: Men: UK 6-9 Women: UK 2.5-6 Please see Full Details for product specifications Save 58% on the Pair of USB Rechargeable Heated Insoles