BUNDLE includes: 

• -M81 Bivvy
• -Patrol sleeping bag
• -Cold weather sleeping bag
• -Compression bag

Component

The system consists of:

1. a patrol sleeping bag
2. 50 to 30°F when used alone
   • 3 pounds
   • green, replaced by foliage green
3. an intermediate cold weather (ICW) sleeping bag
   • 30 to -10°F when used alone
   • 4 pounds
   • black, replaced by urban grey
4. a compression stuff sack
5. a vapor permeable bivouac cover
   • woodland, replaced by UCP