Sleeping Bag Buying Guide: How to Choose the Right One for Camping
Mountain Hardwear Lamina 15 Sleeping Bag
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Built for cold-weather camping, the Mountain Hardwear Lamina 15°F sleeping bag's insulation provides warmth, high loft, durability, softness and compressibility built for damp, freezing conditions.
Shop similar productsKey Details
Fill
Thermal.Q 80% recycled polyester/20% polyester fibers
Weight
3 lbs. 2.5 oz.
Compressed Volume
8.4 liters
Temperature Rating (F)
15 degrees (F)
- Lamina™ construction maximizes the insulation's loft, eliminates cold spots and thermally maps the insulation to areas where you need the most warmth
- Proprietary welded Lamina construction stabilizes the fill without sewing through the bag, eliminating moisture penetration points and maximizing loft
- Thermal.Q insulation is laid in a wave shape, enhancing loft and increasing thermal efficiency; offset welds increase stability and loft
- Standard mummy cut is efficient, warm and comfortable
- Tailored hood comfortably blocks drafts and seals in warmth
- Shaped draft collar blocks the escape of warm air from inside the bag; insulated draft tube extends to bottom of bag to eliminate cold spots
- Contoured footbox is shaped to allow feet to rest naturally; shape preserves loft and allows insulation to drape close to feet for extra warmth
- 30-denier ripstop nylon shell fabric is lightweight and compressible and has a durable water repellent (DWR) finish that causes water to bead up and roll off
- 40-denier polyester taffeta lining breathes for comfort and feels great against your skin
- Light and durable, 2-way zipper with locking slider is backed by wide, antisnag binding tape for easy entry, exit and ventilation
- Left-hand and right-hand zippers available for zip-together functionality
- Includes a nylon compression sack and a mesh storage sack
- Inside length measures 86 in. (218 cm); bag loft is 5.5 in.
- Closeout
Imported.
Temperature ratings are intended as a guideline to help you compare products, rather than a guarantee of warmth, since many different factors contribute to your comfort while you sleep. Backpacking bags are typically rated for temperature according to an independent testing protocol—currently International Organization for Standardization (ISO) 23537, though some older items followed European Norm (EN) 13537. Testing is based on a person wearing one base layer and a pair of socks, sleeping on an insulated surface with a minimum R-value of 5.38.
Each bag then gets 2 ratings: the Comfort rating is the lowest temperature at which the bag will keep the average "cold sleeper" comfortable, and the Lower Limit rating is the lowest temperature at which the bag will keep the average "warm sleeper" comfortable. Some brands determine their own temperature rating by aligning to the Comfort rating for women’s bags, to the Lower Limit rating for men’s bags, or somewhere in the middle for nongendered bags.
View all Mountain Hardwear Camping Sleeping BagsEach bag then gets 2 ratings: the Comfort rating is the lowest temperature at which the bag will keep the average "cold sleeper" comfortable, and the Lower Limit rating is the lowest temperature at which the bag will keep the average "warm sleeper" comfortable. Some brands determine their own temperature rating by aligning to the Comfort rating for women’s bags, to the Lower Limit rating for men’s bags, or somewhere in the middle for nongendered bags.
| Best Use | Camping |
|---|---|
| Tested Lower Limit | 15 degrees (F) - ISO |
| Tested Comfort | 25 degrees (F) - ISO |
| Temperature Rating (F) | 15 degrees (F) |
| Temperature Rating (C) | -9 degrees (C) |
| Weight | 3 lbs. 2.5 oz. |
| Shell | 51 g 30-denier ripstop nylon |
| Insulation Type | Synthetic |
| Fill | Thermal.Q 80% recycled polyester/20% polyester fibers |
| Fill Weight | 2 lbs. 1.2 oz. |
| Lining | 40-denier polyester plain weave |
| Sleeping Bag Shape | Mummy |
| Fits Up To (in.) | 72 inches |
| Shoulder Girth (in.) | 60 inches |
| Hip Girth (in.) | 55 inches |
| Stuff Sack Size | 9.5 x 18 inches |
| Stuff Sack Volume | Unavailable |
| Compressed Volume | 8.4 liters |
| Gender | Unisex |
| Sustainability | Contains recycled materials |
Buying Advice
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Customer Images
James
Great Bag!
2 months ago
I haven't been able to test it in the cold yet, but it is super comfortable, packs up tightly, and is light. It came with a bag large enough to fit the sleeping bag, a two-person tent, and a sleeping pad.
Yes , I recommend this product
MWMc
Ohio
Did not live up to expectations, re T ratings
1 month ago
I purchased the Mountain Hardware sleeping bag with the expectation that it would keep me warm in 42 F. (I was camping at Lake Louise June 2025). I can report in and say it did not keep we warm. I had an insulated sleeping pad under me, and a sleeping bag sheet as well. Very disappointing. Would not recommend for 45 degrees.
Age:55–64
No, I do not recommend this product
Goofball3
Western NC
Spot on temp
2 years ago
I’m admitting to being a warm sleeper, so of course your results may vary. I porch test all of my bags to verify what I can expect in the field. My digital thermometer was reading 14 degrees Fahrenheit at 6 am . I never once was even cool, let alone cold. My first foray into the backcountry was about 18 degrees, and with my insulated Nemo Tensor under me, my results were a great nights sleep! This bag will be all I ever need. I’ll never be out any colder than this!
Yes , I recommend this product
Originally posted on mountainhardwear.com
Anni
Sweden
Nice but wrong color
3 years ago
Jackets, pants, shoes, tents, climbing gear, often even sleeping pads – comes in different colors. But sleeping bags seldom does. Borrowed this one from a friend, loved it, but no, I don't want a blue sleeping bag. I want a red or orange so it doesn't look like I just won the "ten thousand color camping award" inside my tent.
Yes , I recommend this product
Originally posted on mountainhardwear.com
Scott
Great for any adventure
3 months ago
This sleeping bag is actually outstanding. So much so it was worth taking time to leave a review. Excellent loft and warmth. Roomy and comfortable for the design. The neck cuff is nice and provides a great seal to keep in the warmth. This is the first sleeping bag I was actually comfortable and warm in all night.
Timmo
Manitoba
Lamina for the win
2 years ago
This is my third Lamina sleeping bag and love it. Inner liner is soft as silk and zippers work great. Hood on Mountain Hardwear sleeping bags are a plus.
Yes , I recommend this product
Originally posted on mountainhardwear.ca
Anonymous
Beech Mountain, North Carolina
Great sleeping bag!!
2 years ago
You can’t go wrong with any bag in the Lamina or Bishop Pass line…Mountain Hardware makes the best gear on the planet…
Yes , I recommend this product
Originally posted on mountainhardwear.com
Julio
Port Moody, BC
Light, compact
3 years ago
Very light, and bulky. But compresses down so well, perfect -9 bag
Yes , I recommend this product
Originally posted on mountainhardwear.ca
wood mon pct88
central coast Ca.
Another zipper fail by Mountain Hardwear
2 years ago
My title says it all. Had to return after about 20 nights out!
No, I do not recommend this product
Originally posted on mountainhardwear.com
Anonymous
1 year ago
Originally posted on mountainhardwear.com
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