If you find a sefer torah in the street that will get wet from the rain, you should wear the sefer to take it home so that it will not get ruined.

Chapter 301 Section 44

If you are saving your clothes from a fire, you can put on many at one time and save them.

Chapter 301 Section 45

If your clothes got wet you should not put them out on Shabbos to dry even in private.