How to Say "insulated" in Spanish
The Spanish word for “insulated” is “térmico” — B1 level. This is a very common word in everyday Spanish.

Examples
Llevo una camiseta térmica porque hace mucho frío.
I'm wearing a thermal t-shirt because it's very cold.
La sensación térmica es de cinco grados bajo cero.
The 'feels-like' temperature is five degrees below zero.
El aislamiento térmico de esta casa es excelente.
The thermal insulation of this house is excellent.
Matching the Noun
Since this is a word that describes things, it must match the gender of the noun. Use 'térmico' for masculine things (un calcetín térmico) and 'térmica' for feminine things (una botella térmica).
Word Order
In Spanish, describing words usually come after the object. You say 'ropa térmica' (clothing thermal) rather than 'térmica ropa'.
Térmico vs. Caliente
Mistake: “Quiero un café térmico.”
Correction: Quiero un café caliente.
Related Translations
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