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Mountain Hardwear

Mountain Hardwear Lamina 0deg Sleeping Bag

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Synthetic-insulated Sleeping

Redesigned shell fabric and Temperlite

Lamina Construction

Maximizes loft and helps eliminate

Thermally Mapped

It is needed most

Comfort Rated

To 0°F for cold-weather use

Standard Mummy

Cut offers an efficient, warm,

$270.00
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SKU: WX2*0748938

Overview

Built for cold-weather nights when dependable warmth matters, this synthetic-insulated sleeping bag is aimed at hunters and backcountry users who want a lighter carry without giving up the familiar Lamina construction. Its welded design is intended to maximize loft, reduce cold spots, and place insulation where it is needed most, while the standard mummy cut and zoned insulation support efficient heat retention. The shell uses 20D polyester ripstop with a DWR finish, and the shaped draft collar plus tailored hood help seal in warmth when temperatures drop. Included compression and storage sacks add practical packing options for trips where space and organization matter.

Why Hunters Choose the Mountain Hardwear

Comfort Rated

To 0°F for cold-weather camping

Temperlite Insulation

Reduces weight while maintaining warmth

Lamina Construction

Helps eliminate cold spots and

Standard Mummy

Cut offers an efficient, warm,

Shaped Draft

Collar and tailored hood help

Key Features

  • Synthetic-insulated sleeping bag with redesigned shell fabric and Temperlite insulation.
  • Lamina construction maximizes loft and helps eliminate cold spots.
  • Thermally mapped insulation concentrates warmth where it is needed most.
  • Comfort rated to 0°F for cold-weather use.
  • Standard mummy cut offers an efficient, warm, and comfortable fit.
  • Includes shaped draft collar, tailored hood, and anti-snag two-way zipper.
  • Nylon compression sack and mesh storage sack are included.

Best Used For

  • Cold-weather hunters needing a comfort-rated bag for late-season camps and frosty mornings.
  • Backcountry users who want a lighter synthetic sleeping bag without giving up dependable warmth.
  • Hunters packing into remote camps where compressibility and included storage sacks matter.
  • Sleepers who prefer a standard mummy cut with draft collar and tailored hood for warmth.
  • Partners using left- and right-hand zippers for zip-together sleeping arrangements.

Specifications

Cold SpotsEliminates cold spots
Comfort Rating0°F
ConstructionProprietary welded Lamina construction
CutStandard mummy cut
Draft CollarShaped draft collar
DurabilityDependable durability
HoodTailored hood
Included AccessoriesNylon compression sack and mesh storage sack
InsulationTemperlite insulation
LoftMaximizes loft
Seamless ConstructionYes
Shell Fabric20D polyester ripstop
Shell Fabric DescriptionLightweight and compressible
Shell FinishDWR finish
Thermal MappingYes
WarmthConcentrates warmth where needed most
Weight ReductionYes
Zip Together FunctionalityLeft-hand and right-hand zippers available
ZipperTwo-way #5 zipper with anti-snag
Zipper PullGlow in the dark, reflective zipper pull
Zoned InsulationYes

Pros

  • Comfort rated to 0°F for cold-weather camping and late-season hunts.
  • Temperlite insulation reduces weight while maintaining warmth and loft.
  • Lamina construction helps eliminate cold spots and maximize insulation loft.
  • Standard mummy cut offers an efficient, warm, and comfortable fit.
  • Shaped draft collar and tailored hood help seal in warmth.
  • Includes compression sack and mesh storage sack for transport and storage.

Considerations & Trade-offs

  • The standard mummy cut is efficient and warm, but it offers a more fitted feel than roomier sleeping bag shapes.
  • The 0°F comfort rating makes it a cold-weather option, so it may be more bag than needed for milder conditions.
  • The lightweight shell fabric is described as compressible, which is useful for packing but still calls for normal care in rough camp use.
  • Zippered ventilation is available, but the bag is designed around warmth retention, so temperature management is more limited than in less insulated bags.

Suggested Comparisons

  • Cold-weather sleeping bags
  • Synthetic sleeping bags
  • Mummy sleeping bags
  • Backpacking sleeping bags

Suggested Accessories

  • Sleeping bag liner
  • Compression sack
  • Sleeping pad
  • Pillow

Frequently Asked Questions

What temperature is this sleeping bag rated for?

The bag is comfort rated to 0°F.

What insulation does the Lamina 0 use?

It uses Temperlite insulation.

What kind of construction does Mountain Hardwear use in this bag?

It uses proprietary welded Lamina construction, designed to maximize loft and help eliminate cold spots.

Is this bag designed for hunters who want a lighter setup?

Yes. The product description says it was redesigned with new shell fabric and Temperlite insulation to deliver the same workhorse performance in a dramatically lighter package.

What accessories come with the sleeping bag?

A nylon compression sack and a mesh storage sack are included.