This is last year's Marmot Sawtooth Membrain. 3 pound/20 degree black Sawtooth down bag with Membrain shell. The Membrain adds weather protection and lowers the temp rating by 5 degrees or so. Bag in great shape used about 5 nights. Looks basically new except for cut off tags.
List price new $249-$269. Selling for $180 OBO shipped with stuff sack and storage sack.