For anyone who enjoys spending time outdoors, toe warmers can be a real godsend. Whether you’re cycling, hiking, or simply taking a leisurely walk on a cold day, these little packets of heat can make all the difference between an enjoyable experience and a miserable one. Toe warmers work by generating heat through a chemical reaction. When you activate the warmer, an exothermic reaction occurs, releasing heat that warms your toes and feet. The warmth provided by toe warmers can last for several hours, making them ideal for long days spent outdoors.