The Big Agnes Yellow Wall SL 0 Sleeping Bag is a lightweight, synthetic bag made for hi altitudes and cold temperatures. The Yellow Wall beats most other 0 synthetic bags in not only weight but also compressibilty and comfort.

• Integrated pad sleeve. Never roll off your pad again.
• Mummy shape decreases weight packed size.
• Recycled mesh storage sack nylon stuff sack included.
• Built in pillow pocket holds a fleece or Big Agnes pillow.
• Interior fabric loops for sleeping bag liners.
• 60" YKK #5 zipper. Mate together our left and right zip bags with same size zipper.
• No-draft collar seals around neck to keep cold air from sneaking in.
• No-draft zipper tube insulates along the length of the zipper.
• No-draft wedge insulates the connection between the bag and pad.
• Shell, Lining and Pad sleeve: Big Agnes WRM: Nylon microfiber rip-stop. Tightly woven, light weight and breathable. Water resistant and wind proof by construction. WR surface treatment to repel water.
• Insulation: PrimaLoft SB: High loft synthetic insulation with a down-like feel made specifically for sleeping bags. Patented thermal insulation of bonded, ultra-fine polyester. Its silicone coated synthetic fibers are water repellent, extremely soft, offer superior drape and compress as well as premium goose down.