Sorel winter boots bought 31 years ago and they still get regular winter use. I replaced the liners three times over the years and had one rubber fix that I recall. :
Sorel Women's Joan Of Arctic New Fur Innerboot - Moosejaw
Men's Boot Liners | SOREL
Shop Kids' Boot Liners | SOREL®
Youth Joan Of Arctic Innerboot | SOREL
Sorel - Youth Unisex Super Trooper 9Mm Thermoplus Innerboot Liners, 1 M US Little Kid, As Shown : Amazon.ca: Clothing, Shoes & Accessories