Did you know that there is a standard measurement unit called “clo” that is used to quantify the thermal comfort/insulation of the clothing? Its values ranges from 0 (naked person) to 1 (insulating value of clothing needed to maintain a person in comfort sitting at rest in a room at 21 ℃, or 70 ℉). This interesting article provides a simple calculator that you can use to get the total clo-score for your clothes. You can get a more specific breakdown for various items here.
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