Translations:AY Honors/Ultralight Backpacking/Answer Key/77/en

Down jackets and synthetic down are popular choices among ultralight backpacking fans who need efficient, light, and warm equipment for several main reasons as follows:

1. Provides excellent insulation at a very light weight.
2. Can be compressed to a very small size so it doesn't take up too much backpack space.
3. Despite being lightweight, down jackets offer good protection against cold weather, making them a great choice for a variety of natural conditions.