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ALPS Mountaineering
Crescent Lake Sleeping Bag: 20F Synthetic

3.4285714285714284 out of 5 stars
7 Reviews

Out of Stock

Don't worry though, we have a lot more Synthetic Sleeping Bags in stock than that.

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Why We Like The Crescent Lake Sleeping Bag

A favorite of ours for its comfortable, straightforward design, the Alps Mountaineering Crescent Lake Sleeping Bag is warm enough for when we wake up to a ring of frost around the lake we've camped next to. Its Tech Loft+ insulation maintains warmth in humid climates, or if rain happens to dampen the inside of your tent. Plus, the Crescent Lake comes in a large stuff sack suitable for most car camping trips.


  • Sleeping bag best-suited for cold car camping trips
  • Tech Loft+ insulation has a 20F temperature rating
  • Full-length zipper with hook-and-loop strap at hood for coverage
  • Insulated baffles at chest and zipper offer draft protection
  • Large stuff sack included for easy travel and storage
  • Item #ALM0091
210T polyester
[regular] Tech Loft+ 2lb 4oz
Max User Height
[regular] 6ft, [long] 6ft 6in
Shoulder Circumference
[regular] 32in, [long] 34in, [wide] 36in
Hip Circumference
[regular] 60in
Foot Circumference
[regular] 41.5in
Bag Length
[regular] 6ft, [long,wide] 6ft 6in
Pad Retainer
Stuff Sack
Stuff Size
[regular] 9 x 18in, [long] 10 x 18in
Claimed Weight
[regular] 3lb 12oz, [long, wide] 4lb 6oz
Manufacturer Warranty
1 year

Overall Rating

3.5 based on 7 ratings

Review Summary

1 Stars - 1 reviews
2 Stars - 0 reviews
3 Stars - 1 reviews
4 Stars - 5 reviews
5 Stars - 0 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


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4 out of 5 stars

November 6, 2023

Great to sleep in, bulky to carry

I've used it several times

Excellent sleeping bag for the price. Warm and comfortable - never woke up cold in 20° nights without a tent. It did, however, take up a surprising amount of space in my 85L pack... I'd recommend getting a compression stuff sack if you're going backpacking with this bag. Otherwise it's been great!

user image
Gaelen A
4 out of 5 stars

October 28, 2021

Very warm and comfortable

I've used it once or twice and have initial impressions
Size Bought:
5' 8"

Well constructed, warm and comfortable. Only downside is it is kind of bulky

Jeffrey L
1 out of 5 stars

July 1, 2021

Not backpacker friendly

I returned this product before using it

This bag is huge! Def not one you'll want to do multi-night trips with, it will take up your entire pack.

Jessica F
4 out of 5 stars

December 25, 2020

Good sleeping bag for the price.

I've used it once or twice and have initial impressions

I've only used it once for camping, and it did what I needed. Simple bag for simple camping, not for backpacking or extreme weather imo. good bag for the price

Olivia L
4 out of 5 stars

May 19, 2020

Not bad for the price

I've used it several times

Picked up for my son for short overnights. He had no complaints the couple times he has used it. I tried it and it's too small for me. In the bag's defense, I'm 6'2 and the bag was a size regular. So if you're my size, go large. Also, it says 20° rating, but I think that's a stretch. It is a good and cheap bag for short overnights in mild weather.

4 out of 5 stars

May 17, 2020

Great Bag for Price!

I've used it several times
6' 2"

This is a really nice syn mix bag for the price. You're not going to base camp at Everest, this bag will likely do you fine. We use this as a "family camping" bag.

Sean H
3 out of 5 stars

August 8, 2018

In the bag

Good bag for the price however it's heavier than I'd like for dualsport trip I purchased it for. Additionally the stuff bag included leaves it bulky, not packing down enough to fit in pannier well. If you ride a Goldwing probably fine, if you are riding a true dualsport or small bike I'd look elsewhere.


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