Katabatic Gear SAWATCH 15 Deg Quilt - 6' (Wide) 900 Fill
Looks and smells brand new as it was only used for 4 nights and one of those was with a liner (which wasn't needed). Katabatic Gear is the pinnacle of quality in down quilts IMO.
A new one is $570
$470 shipped CONUS PayPal Gift or add 3% for the fees.
