Here's what other sites are saying:
Durable construction with a draft tube along the anti-snag zipper to keep cold air out and warm air in. High-loft, heat-trapping Slumberloft synthetic insulation. This bag can be used alone or zipped to a same-sized rectangular bag for two-person sleeping. Polyester taffeta shell and liner. Stuff sack included. Imported.
If value is your game, look no further than the Slumberjack Forest 0 Degree Rectangular sleeping bag. Constructed with extra Slumberloft insulation for warmth, and durably constructed to last, the Forest 0 Degree is a great choice for your coldweather adventures.Slumberloft synthetic insulation.Polyester taffeta shell and lining.Durable construction ensures stable insulation over time.Antisnag zipper protection.Draft tube along zipper keeps out cold air and prevents heat loss.Ziptogether feature allows two samesize rectangular bags to be joined, making a doublewide bag for two.Stuff sack included.Regular right zip only.
Slumberjack Forest 20
Eureka! Wild Basin 0
$50 - $84
Mountain Hardwear Lamina 20°
ALPS Mountaineering Desert Pine 0
NEMO Mezzo Loft
REI Lumen +25
Kelty Tuck 20 / EN 22
$90 - $99