These Chinook Microloft 23F Hooded Sleeping Bags are a very high quality, comfortable, affordable choice in lightweight sleeping bags.   
Specifications:

- Size 90" x 34" (229 x 86 cm)
- Shape: Hooded Rectangle
- Construction: One layer
- Outer Shell: Nylon taffeta
- Lining: Pongee Pro
- Filling: 1 layer of 100g/m2 Primaloft Sport
- Zipper: #5 YKK 2-way
- Stuff Sack: 4-way compression bag
- Total Weight: 2.75 lbs (1.2 kg)
- 23 degrees F