It has good insulation and feels very much like a down bag.

Between walls, where it turns out to make surprisingly good insulation.

Just a mask or helmet for breathing and very good insulation.

"Perhaps his skin is a good insulation against heat of any kind."

Off gas new build with good insulation and you can save yourself a packet!

"All three of them have been hooked together, with good insulation for the passages."

Therefore the bag can provide good thermal insulation in damp conditions.

New materials offer good insulation at high temperature, but they often sacrifice themselves in the process.

"Perhaps his skin is a good insulation against heat and energy."

These characteristics provide good insulation against the cold environment.