Keep your feet super warm and comfy in wellies, boots and all sorts of shoes and trainers with our lambswool insoles. British Made by Glencroft who have been making quality country-wear in Yorkshire since 1987. A cutting guide on the reverse allows you to fit these perfectly to your foot or boot size and shape. Tailor make your insoles to fit! The one size fits all cutting guide is printed on the sole of every insole. To fit sizes 3-12. This is a guide however, wearers may want to cut to a bigger size so it fits to their wellies or boots snugly.