Watch each other. Make sure each other’s speech is normal. Watch to see if either of you stumbles. Keep in mind that many victims of hypothermia, if told what is happening to them, refuse to believe it.
Your best prevention against hypothermia is to keep your “inner furnace” warm. You can maintain your inner body core temperature by doing mild exercises (but avoid perspiration), by wearing proper clothing, and when possible, by eating high-energy foods and drinking water regularly. Remember to eat only when you have water to drink. Digesting food requires water; eating without water can speed up dehydration of your body.
Types of Clothing
Wearing warm clothes is one of the best ways to prevent hypothermia. Wool and polypropylene are some of the best materials because they retain their insulating properties even when they are wet.
Dressing in layers helps. For example, your clothing might include long underwear, wool pants, polypropylene shirt, fleece sweater, light nylon coat with fleece liner, rain gear, gloves, wool socks, and a wool cap. As you heat up or cool down, you can remove or add layers. Loose-fitting layers with air pockets will provide more warmth than tight