Men's L.L.Bean Snow Boot Liners | Accessories at L.L.Bean
Women's Caribou™ Boot | SOREL
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. :
Women's Boot Liners | SOREL
Comfort Plus Shoe Insoles | FitMyFoot
Women's Joan Of Arctic™ Boot | SOREL
Amazon.com | Sorel Men's Winter Boots, Black X Jet, 7 | Snow Boots
Amazon.com | Wool Felt Replacement Boot Liners: 75% Wool, Navy Blue (826 BB) - Standard Boot (Approx 10” high), Size 8 | Snow Boots