Pick any two sleeping bags or quilts and see them side by side on every published spec: standardized comfort rating, weight, warmth-to-weight, packed size, price, and GearScore. The better spec in each row is highlighted, and a blank spec never wins.
Left bag Big Agnes Anthracite 20 Big Agnes Echo Park 20 Big Agnes Husted 20 Big Agnes Lost Ranger 3N1 0 Big Agnes Lost Ranger 3N1 15 Big Agnes Rabbit Ears 25 Big Agnes Sidewinder SL 20 Big Agnes Torchlight EXP 0 Big Agnes Torchlight UL 20 Black Diamond Big Wall Hooped Bivy Enlightened Equipment Accomplice 30 Enlightened Equipment Conundrum 30 Enlightened Equipment Convert 20 Enlightened Equipment Enigma 20 Enlightened Equipment Enigma 30 Enlightened Equipment Revelation 20 Enlightened Equipment Revelation 30 Enlightened Equipment Revelation APEX 20 Feathered Friends Flicker UL 20 Feathered Friends Flicker UL 30 Quilt Feathered Friends Flicker YF 20 Feathered Friends Hummingbird UL 20 Feathered Friends Hummingbird UL 30 Feathered Friends Hummingbird YF 20 Feathered Friends Lark YF 10 Feathered Friends Petrel UL 10 Feathered Friends Ptarmigan ES -25 Feathered Friends Swallow YF 20 Feathered Friends Swift YF 20 Feathered Friends Widgeon ES -10 Featherstone Outdoor Moondance 25 Hammock Gear Burrow 20 Hammock Gear Premium Burrow 20 Katabatic Gear Alsek 22 Katabatic Gear Chisos 40 Katabatic Gear Flex 15 Katabatic Gear Flex 22 Katabatic Gear Flex 30 Katabatic Gear Flex 40 Katabatic Gear Flex 5 Katabatic Gear Grenadier 5 Katabatic Gear Palisade 30 Katabatic Gear Sawatch 15 Kelty Catena 30 Kelty Cosmic Down 0 Kelty Cosmic Down 20 Kelty Cosmic Down 40 Kelty Cosmic Synthetic 20 Kelty Cosmic Synthetic 40 Kelty Mistral 20 Kelty Mistral 40 Kelty Solstice 20 Kelty Supernova 20 Kelty Tru.Comfort Doublewide 20 Kelty Tuck 20 Kelty Wayback 20 Marmot Col -20 Marmot Helium 15 Marmot Hydrogen 30 Marmot Lithium 0 Marmot Mad River Down 30 Marmot NanoWave 45 Marmot Trestles Elite Eco 0 Marmot Trestles Elite Eco 20 Marmot Trestles Elite Eco 30 Marmot Wraptor 15 Down Marmot Wraptor Synthetic 20 Marmot Wraptor Synthetic 30 Mountain Equipment Glacier 1000 Mountain Equipment Glacier 450 Mountain Equipment Glacier Expedition Mountain Hardwear Bishop Pass 0F Mountain Hardwear Bishop Pass 15F Mountain Hardwear Bishop Pass 30F Mountain Hardwear Bishop Pass Windstopper 0F Mountain Hardwear Ghoul 20F Mountain Hardwear Lamina -20F Mountain Hardwear Lamina 0F Mountain Hardwear Lamina 15F Mountain Hardwear Lamina 30F Mountain Hardwear Phantom 0 Mountain Hardwear Phantom 15 Mountain Hardwear Phantom 30F Mountain Hardwear Specter 15F MSR Pro Bivy NEMO Disco 15 NEMO Disco 30 NEMO Forte 20 (Endless Promise) NEMO Forte 35 (Endless Promise) NEMO Pulse 20 NEMO Riff 15 NEMO Riff 30 (Endless Promise) NEMO Sonic -20 NEMO Sonic 0 NEMO Soul 15/25 NEMO Soul 30/40 NEMO Tempo 20 (Endless Promise) NEMO Tempo 35 (Endless Promise) Nunatak Arc UL 20 Outdoor Research Alpine XT Bivy Outdoor Research Helium UL Bivy Outdoor Vitals StormLoft Down TopQuilt Paria Outdoor Products Thermodown 15 Paria Outdoor Products Thermodown 30 Rab Mythic Ultra 20 Rab Neutrino 400 Rab Neutrino 600 Rab Neutrino Pro 500 Rab Ridge Raider Bivi REI Co-op Campwell 30 REI Co-op Magma 15 REI Co-op Magma 30 REI Co-op Magma Trail Quilt 30 REI Co-op Siesta Hooded 20 REI Co-op Trailmade 25 Sea to Summit Alpine -20F Sea to Summit Ascent 15F Sea to Summit Ember 30 Sea to Summit Ember 45 Sea to Summit Spark 0F Sea to Summit Spark 15F Sea to Summit Spark 30F Sea to Summit Spark 45F Sea to Summit Trek 30F Sierra Designs Frontcountry Bed 20 The North Face Cat's Meow 20 Eco The North Face Eco Trail Synthetic 35 The North Face Inferno -20F The North Face Inferno -40F The North Face Inferno 0F The North Face Inferno 15F The North Face Trail Lite Down 20 The North Face Wasatch Pro 20 Therm-a-Rest Corus 20 Therm-a-Rest Corus 32 Therm-a-Rest Hyperion 20 Therm-a-Rest Hyperion 32 Therm-a-Rest Parsec 0 Therm-a-Rest Parsec 20 Therm-a-Rest Questar 20 Therm-a-Rest Vesper 20 Therm-a-Rest Vesper 32 Timmermade Newt Hybrid Quilt 45F UGQ Outdoor Bandit 20 UGQ Outdoor Outlaw 20 UGQ Outdoor Tango Duo Western Mountaineering Alder MF Western Mountaineering AlpinLite Western Mountaineering Antelope MF Western Mountaineering Apache MF Western Mountaineering Badger MF Western Mountaineering Caribou MF Western Mountaineering CloudLite Western Mountaineering DreamLite Western Mountaineering EverLite Western Mountaineering HighLite Western Mountaineering Kodiak MF Western Mountaineering Lynx MF Western Mountaineering MegaLite Western Mountaineering MityLite Western Mountaineering Puma MF Western Mountaineering Sequoia MF Western Mountaineering SummerLite Western Mountaineering TerraLite Western Mountaineering UltraLite Western Mountaineering VersaLite Zenbivy Light Quilt 25 Zenbivy Light Quilt 25 (Synthetic) Zenbivy Light Quilt Convertible Zpacks Classic 30F Zpacks Solo Quilt 20 Zpacks Solo Quilt 30F Zpacks Twin Quilt 20
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Right bag Big Agnes Anthracite 20 Big Agnes Echo Park 20 Big Agnes Husted 20 Big Agnes Lost Ranger 3N1 0 Big Agnes Lost Ranger 3N1 15 Big Agnes Rabbit Ears 25 Big Agnes Sidewinder SL 20 Big Agnes Torchlight EXP 0 Big Agnes Torchlight UL 20 Black Diamond Big Wall Hooped Bivy Enlightened Equipment Accomplice 30 Enlightened Equipment Conundrum 30 Enlightened Equipment Convert 20 Enlightened Equipment Enigma 20 Enlightened Equipment Enigma 30 Enlightened Equipment Revelation 20 Enlightened Equipment Revelation 30 Enlightened Equipment Revelation APEX 20 Feathered Friends Flicker UL 20 Feathered Friends Flicker UL 30 Quilt Feathered Friends Flicker YF 20 Feathered Friends Hummingbird UL 20 Feathered Friends Hummingbird UL 30 Feathered Friends Hummingbird YF 20 Feathered Friends Lark YF 10 Feathered Friends Petrel UL 10 Feathered Friends Ptarmigan ES -25 Feathered Friends Swallow YF 20 Feathered Friends Swift YF 20 Feathered Friends Widgeon ES -10 Featherstone Outdoor Moondance 25 Hammock Gear Burrow 20 Hammock Gear Premium Burrow 20 Katabatic Gear Alsek 22 Katabatic Gear Chisos 40 Katabatic Gear Flex 15 Katabatic Gear Flex 22 Katabatic Gear Flex 30 Katabatic Gear Flex 40 Katabatic Gear Flex 5 Katabatic Gear Grenadier 5 Katabatic Gear Palisade 30 Katabatic Gear Sawatch 15 Kelty Catena 30 Kelty Cosmic Down 0 Kelty Cosmic Down 20 Kelty Cosmic Down 40 Kelty Cosmic Synthetic 20 Kelty Cosmic Synthetic 40 Kelty Mistral 20 Kelty Mistral 40 Kelty Solstice 20 Kelty Supernova 20 Kelty Tru.Comfort Doublewide 20 Kelty Tuck 20 Kelty Wayback 20 Marmot Col -20 Marmot Helium 15 Marmot Hydrogen 30 Marmot Lithium 0 Marmot Mad River Down 30 Marmot NanoWave 45 Marmot Trestles Elite Eco 0 Marmot Trestles Elite Eco 20 Marmot Trestles Elite Eco 30 Marmot Wraptor 15 Down Marmot Wraptor Synthetic 20 Marmot Wraptor Synthetic 30 Mountain Equipment Glacier 1000 Mountain Equipment Glacier 450 Mountain Equipment Glacier Expedition Mountain Hardwear Bishop Pass 0F Mountain Hardwear Bishop Pass 15F Mountain Hardwear Bishop Pass 30F Mountain Hardwear Bishop Pass Windstopper 0F Mountain Hardwear Ghoul 20F Mountain Hardwear Lamina -20F Mountain Hardwear Lamina 0F Mountain Hardwear Lamina 15F Mountain Hardwear Lamina 30F Mountain Hardwear Phantom 0 Mountain Hardwear Phantom 15 Mountain Hardwear Phantom 30F Mountain Hardwear Specter 15F MSR Pro Bivy NEMO Disco 15 NEMO Disco 30 NEMO Forte 20 (Endless Promise) NEMO Forte 35 (Endless Promise) NEMO Pulse 20 NEMO Riff 15 NEMO Riff 30 (Endless Promise) NEMO Sonic -20 NEMO Sonic 0 NEMO Soul 15/25 NEMO Soul 30/40 NEMO Tempo 20 (Endless Promise) NEMO Tempo 35 (Endless Promise) Nunatak Arc UL 20 Outdoor Research Alpine XT Bivy Outdoor Research Helium UL Bivy Outdoor Vitals StormLoft Down TopQuilt Paria Outdoor Products Thermodown 15 Paria Outdoor Products Thermodown 30 Rab Mythic Ultra 20 Rab Neutrino 400 Rab Neutrino 600 Rab Neutrino Pro 500 Rab Ridge Raider Bivi REI Co-op Campwell 30 REI Co-op Magma 15 REI Co-op Magma 30 REI Co-op Magma Trail Quilt 30 REI Co-op Siesta Hooded 20 REI Co-op Trailmade 25 Sea to Summit Alpine -20F Sea to Summit Ascent 15F Sea to Summit Ember 30 Sea to Summit Ember 45 Sea to Summit Spark 0F Sea to Summit Spark 15F Sea to Summit Spark 30F Sea to Summit Spark 45F Sea to Summit Trek 30F Sierra Designs Frontcountry Bed 20 The North Face Cat's Meow 20 Eco The North Face Eco Trail Synthetic 35 The North Face Inferno -20F The North Face Inferno -40F The North Face Inferno 0F The North Face Inferno 15F The North Face Trail Lite Down 20 The North Face Wasatch Pro 20 Therm-a-Rest Corus 20 Therm-a-Rest Corus 32 Therm-a-Rest Hyperion 20 Therm-a-Rest Hyperion 32 Therm-a-Rest Parsec 0 Therm-a-Rest Parsec 20 Therm-a-Rest Questar 20 Therm-a-Rest Vesper 20 Therm-a-Rest Vesper 32 Timmermade Newt Hybrid Quilt 45F UGQ Outdoor Bandit 20 UGQ Outdoor Outlaw 20 UGQ Outdoor Tango Duo Western Mountaineering Alder MF Western Mountaineering AlpinLite Western Mountaineering Antelope MF Western Mountaineering Apache MF Western Mountaineering Badger MF Western Mountaineering Caribou MF Western Mountaineering CloudLite Western Mountaineering DreamLite Western Mountaineering EverLite Western Mountaineering HighLite Western Mountaineering Kodiak MF Western Mountaineering Lynx MF Western Mountaineering MegaLite Western Mountaineering MityLite Western Mountaineering Puma MF Western Mountaineering Sequoia MF Western Mountaineering SummerLite Western Mountaineering TerraLite Western Mountaineering UltraLite Western Mountaineering VersaLite Zenbivy Light Quilt 25 Zenbivy Light Quilt 25 (Synthetic) Zenbivy Light Quilt Convertible Zpacks Classic 30F Zpacks Solo Quilt 20 Zpacks Solo Quilt 30F Zpacks Twin Quilt 20