VivoFoot 2 Pairs Warm Premium Natural Wool Insoles for Winter, Thermal & Insulating Liners for Work Shoes, Boots, Slippers for Men & Women (S: UK 2-7 EU 35-40) : Amazon.co.uk: Fashion
Wool Felt Insoles - 13mm Thick – thefeltstore.com
Warm Fleece Insoles, Winter Fur Integrated Warm Insoles, Thickened Insoles For Snow Boots, Sweat-absorbing Breathable Insoles - Temu United Kingdom
Felt Insoles Merino Wool Inserts for Shoes Boots and - Etsy UK
Thick Felt Boot Liners - warm insoles for boots or shoes – Joe's Toes