2. In addition, clothes should be added according to the actual situation. If it's a long hike, prepare a down jacket. During the crossing, you may not feel cold because of sweating and body fever. Don't wear down jacket at this time, put it on while resting or camping on the way to keep your body temperature from losing.
When the elderly do outdoor sports, they must wear warm clothes and wear as many layers as possible. Multi-layer clothes have stronger warmth retention ability than single-layer clothes. If you feel hot during exercise, you can take off several layers of clothes. If you don't want to wear multiple layers, you can choose a fleece+coat two-piece suit or a windproof cotton coat. Try not to wear sweaters and down jackets for outdoor sports, because sweaters are not easy to dry in water and are heavy, while down jackets are warm but airtight.
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4. When children go to outdoor sports, the inner layer doesn't have to wear thick thermal underwear, just ordinary cotton underwear. The warm layer can wear fleece+fleece vest or small cotton-padded jacket, and the coat can wear windproof coat.
Don't forget to protect your hands, feet and head. Warm shoes, hats and gloves can be considered. More than 30% of the body's heat escapes from people's hands and feet, and 40% of the heat is lost from the head. When running outdoors, you should protect your hands, feet and head, which can not only resist the cold wind and heat, but also prevent frostbite and rupture of your skin.
6. After the exercise, the body temperature will plummet. In order to avoid the invasion of cold air, you should change clothes as soon as possible. Female friends should quickly take off their wet sports bras. Drinking some hot drinks helps to ward off colds.