Originally Posted by SPN Lifer

In survivable crashes, burning fuel is a major threat.

Natural fibers such as cotton, wool, and leather offer protection against temperatures of many hundreds of degrees, offering time to escape with only relatively minor, survivable burns, particularly if long sleeves (and gloves and a wool ski cap?) are worn during egress.

On the other hand, having one's clothing melt on one's body is a particularly excruciating way to die.

A wise traveller will always consider this in selecting a wardrobe.