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When engaging in outdoor sports, the clothes we wear should be able to protect us from the effects of weather changes. Therefore, when choosing, we should focus on the functionality of the clothes rather than paying too much attention to the styles and colors of various clothes; before purchasing, we should first consider our personal needs level, scope of use, and the cold resistance of the user, and choose suitable clothing at the most economical price.
In order to cope with the changeable weather of nature and discharge the large amount of sweat produced by outdoor activities, foreign outdoor enthusiasts have developed a concept of "three-layer clothing" for outdoor wear, using this theory to deal with various weather changes and practical needs of various outdoor activities. In fact, the concept of "three-layer clothing" is not only applicable to outdoor activities, but even for ordinary daily life.
Sweat-wicking layer: Base layer (BASELAYER)
The main purpose of underwear is to maintain the dryness of the skin surface and prevent feeling stuffy, so the main feature to focus on is the sweat-wicking property of the clothes. The underwear should be able to quickly transfer moisture and sweat to the surface of the inner layer of clothing, so that the sweat does not evaporate directly on the skin surface, causing the skin temperature to drop due to the evaporation of water vapor absorbing heat.
Good ventilation is also important to avoid feeling stuffy, and you can choose different neckline designs according to the needs of the user. Currently, there are three types of designs available: zippered [zip], V-neck, and round neck.
Insulation layer: Middle layer (MIDDLELAYER)
The middle layer clothing should be able to form an air layer inside the clothes, achieving the effect of isolating external cold air and maintaining body temperature. The thicker the accumulated air layer, the better the insulation effect. Therefore, wearing several light and loose clothes is warmer than wearing a single thick piece of clothing because the former method accumulates a thicker air insulation layer.
In terms of material, they can be divided into natural materials and synthetic materials.
Natural materials are best known for down. Because feathers have many tiny pores, they can capture a lot of air when expanded, providing excellent insulation. However, its biggest drawback is that it cannot get wet. Once the feathers get wet, they lose all their insulating properties, and they may look like penguins when worn, which might not suit users who are more concerned about appearance. Based on these characteristics, down jackets are not suitable as an insulating layer during outdoor activities (especially when carrying heavy loads), but are suitable for general walking after being stationary or camping.
Among synthetic materials, fleece products [fleece] are currently the most popular, especially the American patented "POLARTEC" fleece products, which perform exceptionally well. They provide good warmth, have a soft touch, retain warmth even when slightly damp, and dry quickly, making them very suitable for use as the middle insulating layer during outdoor activities. "POLARTEC" has different thickness levels based on varying degrees of warmth, ranging from the thickest 300 series, the versatile 200 series, to the soft and lightweight 100 series. Users can select appropriate clothing based on their own needs. However, its biggest drawback is that it is not windproof (a common defect of synthetic brushed fabrics), and must be used in conjunction with windproof outerwear to exhibit excellent warmth retention.
Outer protective layer: Outer layer (OUTERLAYER)
The most important features of outerwear are waterproofing, windproofing, warmth retention, and breathability. It minimizes the impact of harsh weather on the body and can also discharge the moisture produced by the body, preventing the condensation of water vapor [sweat] in the middle layer, which would reduce the thermal insulation effect and make it difficult to withstand the low temperatures or cold winds of the external environment. Currently, the best outerwear undoubtedly combines both waterproof and breathable functions. Under normal market conditions, waterproof and breathable clothing tested under "dry static" conditions generally show similar results. However, few people pay attention to the differences in waterproof and breathable performance of various materials under "wet dynamic" conditions, i.e., in actual outdoor activity environments. Therefore, when selecting waterproof and breathable clothing, it is essential to consider the user's actual needs and choose the right clothing!