Thermal insulation is one property of clothing which becomes important as the environmental temperature changes.
1 clo (clothing) =
= 0.155 square meter °C per W =
= 0.18°C per kcal per square meter per hour, or °C ((kcal)^(-1)) ((square meter)^(-1)) ((hour)^(-1))
where:
• A typical business suit = 1 clo.
• An arctic weather suit = 4 clo.
