FS: Sierra Designs 0 degree down sleeping bag. Several seasons old, used but not abused. The down is 600 fill power. Regular length, right zip. The bag features elasticized baffles, just like the Montbell stretch line of bags.
As a reference point, the Montbell Super Spiral Down Hugger #0 (0 degree, 650 fill power) costs $309 plus tax. The 800 fill power 0 degree bags are $450+.
Will sell for $125 + shipping (or free pickup in Denver).