Yes, you can put hand warmers in your shoes to help keep your feet warm.
Many hand warmers are designed to be compact and flexible enough to fit comfortably inside shoes or boots without adding excessive bulk. This allows you to stay mobile and active while benefiting from the warmth they provide. Hand warmers activate quickly upon exposure to air, and their small size allows for easy storage in bags or pockets when not in use. This makes them a convenient solution for keeping your feet warm in cold conditions.