Western Mountaineering Bison Specs:
- 5 1/4" Spacing/V-Block Side Baffle
- 64"/39" Shoulder/Foot Girth
- Full Down Collar
- 10" Loft, -40° F
- 42 oz. Down Fill
- 4 lbs. 10 oz. Total Weight
- 4 lbs. 15 oz. Overfill Weight
- Overfill subtracts 8-10 degrees from original bag rating
