Rainfair insulated boot inserts Size M #winter #huntingboots These inserts are designed to be worn inside uninsulated rain or work boots to:Add Warmth: Transform standard rain boots into winter-ready footwear by providing a layer of insulation against ground chill.Improve Comfort: Offer cushioning and a snugger fit for long-term wear.Moisture Control: Help absorb perspiration to keep feet drier during extended outdoor