INSTANTLY SOLVE YOUR COLD & PAINFUL FOOT PROBLEMS BY UPGRADING TO OUR HIGH PERFORMANCE PRO QUICK-FIT AFTERMARKET LINERS. THEY EASILY FIT EVERY BRAND OF BOOT, JUST PULL OUT YOUR OLD LINERS & SLIDE THESE IN. WITH SUPERIOR LIGHTWEIGHT, INCREDIBLE WARMTH AND A PERFECT FIT, THESE LINERS LITERALLY MOLD TO YOUR FEET & THE BOOT FOR A FEEL THAT’S BETTER THAN WHEN THEY WERE NEW.