Woollen insoles for shoesMade from 100% wool to keep your feet warm year-round. This insole adds an extra layer of comfort to the sole of your shoe, while the insulating layer of wool creates a wonderful, comforting warmth for your feet. Wool naturally absorbs and desorbs moisture, so it helps your foot breathe in its boot. Wool is naturally anti-bacterial, will eliminate odours so that even your most well-worn shoes will stay smelling fresh and new. Each pair of insoles comes complete and ready to use. No need to trim to fit your shoe.100% pure wool upper for comfortLatex anti-slip foam underside for grip Sizing Chart:UK: 4 EUR: 37 US: 6.5UK: 5 EUR: 38 US: 7.5UK: 6 EUR: 39 US: 8UK: 6.5 EUR: 40 US: 9UK: 7 EUR: 41 US: 9.5 UK: 8 EUR: 42 US: 10 UK: 9 EUR: 43 US: 10.5 UK: 10 EUR: 44 US: 11