Warm Weather Down Sleeping Bags


Western Mountaineering
Sea to Summit
Sierra Designs
Mountain Hardwear
Big Agnes




less than $100
$100 - $199.99
$200 - $299.99
$300 and above

Recent Warm Weather Down Sleeping Bag Reviews

Sierra Designs Backcountry Bed 700 / 35 Degree

rated 4 of 5 stars Well made, but not for me. I'm up and down numerous times during the night. Received one as a warranty replacement for a failed Zissou 700 and returned for credit the next day. Though it's warm and roomy I found it a chore to get in and out of. I'm up numerous times during the night and in and out is a bothersome challenge. Because the blanket is sewn in at waist level one must slide in the legs to hip level and squiggle down and exiting is the opposite. I couldn't bear it, so I returned it and… Full review

Etowah Outfitters 50 Degree Down Sleeping Bag

rated 3.5 of 5 stars An inexpensive, lightweight, rectangular, summerweight bag that can open up to work as a quilt for two. Too bad it doesn't come in long. I sleep warm. In tents, huts, and European hotels (where bedding usually consists of a bottom sheet and a quilt in a quilt cover—that's all), I have suffered through many a night under a quilt or in a sleeping bag that is too warm, sometimes waking up soaked in sweat while others seem to be perfectly comfortable in the same or even more insulation. My wife, not… Full review

Marmot Aspen 40 Ultralight

rated 2.5 of 5 stars The bag is rated at 40 degrees, works pretty good to that temp. It's very lightweight at 1.5 lbs. It's a good summer bag! I bought this bag last summer and used it in warmer nights than its specified 40 degree temp, so used it as a quilt just laid over me at night. It's very lightweight at 1 1/2 lbs and stuffs into a compression stuff sack. It's filled with Polarguard and compresses very well to the size of a soccer ball, so takes up very little room in my backpack or bike panniers. It's a very… Full review

Big Agnes Horse Thief SL 35°

rated 4 of 5 stars A lightweight hoodless option that lightens the load in your summer pack. Recommended for weather where the temps hover around or above 50°F. Warmth: The bag is rated at 35°F. The bag does a fine job in temperatures above 50°F. Mid 40's and below, the comfort level starts to drop off quick. In temperate climates, like the one here in Minnesota, you can judge the weather well enough to make a pretty good estimate of whether you'll be in comfort range.  Fit and Comfort: I must say, the bag is… Full review

Mountain Hardwear Ratio 45

rated 4 of 5 stars Very good warm weather bag. It packs down small, and has good loft for a lightweight summer bag. The zipper only allows it to be used as a quilt for one, as it doesn't extend to the bottom of the bag. Purchased this bag deeply discounted at $100; the regular retails for $199 and the long for $219. As of June 2017 it is still available with big discounts on many websites. I sleep warm, so this bag allows me to sleep comfortably down to 40 degrees in wool 150 weight base layer shirt and long johns. Full review

Mountain Equipment Men's Glacier 500

rated 3.5 of 5 stars One of Mountain Equipment's all rounder sleeping bags designed to tackle a wide range of conditions. It does what is says on the tin, keeps you warm when it is cold, however it does have a few drawbacks that would make me consider going for something else. Lets start with the basics.  With an extreme temperature rating of -21 degrees Celsius/ -6 degrees F, Comfort rating of 2 degrees Celsius/ 36 degrees F and a "Good nights sleep rating of -8 degrees Celsius/ 18 degrees F. This bag is going to… Full review

Marmot Always Summer

rated 4 of 5 stars Took this camping on a chilly April night in Utah and it stood up well. I was able to slip a small liner inside as well and it got too warm. This bag kept me incredibly warm and was able to fit a liner in quite easily. However the foot box was smaller than I expected. Not horribly so, but just enough to notice. Getting in and out typically wasn't an issue, however the zipper would get stuck every once in a while. Easy enough to adjust. The bag packs incredibly well and puffs up easily after having… Full review

Sea to Summit Traveller TRI

rated 3.5 of 5 stars This is a cost effective and more than adequate light minimal coverage for a quick summer outing in the woods. It is versatile enough for couch surfing relatives over the holidays. It is just wide enough to cover two cozy campers that are not too big in girth on a not chilly summer outing. Originally bought for couch surfing relatives, but I found it useful as a comforter on a fall evening too. That opened the door to other uses. Took it out for a July 6K ft elevation overnight in Sierra Nevadas… Full review

Sea to Summit Spark SP I

rated 4 of 5 stars This is an ultra-ultralight sleeping bag with a short zip. Use it when you want to save weight and if you are prepared to sacrifice some comfort. I am 189cm (6'2"). This bag (size long) weighs 428g (15.097oz) without the stuff sack. It is the lightest sleeping bag I could find. Warmth:This is different for every person. I would say the temperature rating is OK. I am a very cold sleeper so I can use this bag even when it is around the lower limit of 8°C|46°F. I don't mind being somewhat cold, but… Full review

Top-Rated Warm Weather Down Sleeping Bags

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user rating: 5 of 5 (4)
Marmot Atom
$231 - $246
user rating: 5 of 5 (3)
Western Mountaineering Caribou MF
user rating: 5 of 5 (2)
Sea to Summit Micro MC II
user rating: 5 of 5 (2)
Sierra Designs Mobile Mummy 800 2-Season
$225 - $239
user rating: 4.5 of 5 (7)
Western Mountaineering HighLite
$340 - $349
user rating: 4.5 of 5 (3)
Western Mountaineering MityLite
user rating: 5 of 5 (1)
Western Mountaineering Everlite 45
user rating: 4 of 5 (1)
Marmot Always Summer
$138 - $199
user rating: 4 of 5 (1)
Mountain Hardwear Ratio 45
$100 - $119
user rating: 4 of 5 (1)
Sea to Summit Spark SP I
user rating: 4 of 5 (1)
Sierra Designs Backcountry Bed 700 / 35 Degree
$250 - $269
user rating: 3.5 of 5 (1)
Sea to Summit Traveller TRI
$209 - $239
Exped Ultralite +3C/+37F
Exped Ultralight 300
Montane Featherlite
Sierra Designs Cloud 800 / 35 Degree
$270 - $289
Sierra Designs Backcountry Bed Elite 850 2-Season
Sierra Designs Zissou 35 / 650 DriDown
$200 - $219
Slumberjack Lapland 40
$77 - $87
Kelty Cosmic 40
$120 - $129
Sea to Summit Basecamp Bc I
$329 - $359
Sierra Designs Backcountry Bed Duo 35 / 700 DriDown
Big Agnes McKinnis
Fjallraven Singi Two Seasons
Mountain Equipment Helium 250
$192 - $219
Sierra Designs Mobile Mummy 600 2-Season
Exped Versa Mummy +5C/+41F
Fjallraven Sarek Two Seasons
Therm-a-Rest Dorado Duo HD Warm Weather Down Sleeping Bag / Top Quilt
Sea to Summit Trek TK I
The North Face Furnace 35
Big Agnes Yampa 45°
$175 - $209
The North Face Campforter 35F/2C
$219 - $229
Cabela's XPG 45F Sleeping Bag
Kelty Tuck 35 / EN 30
$60 - $79
Slumberjack Sojourn 40
Mountain Equipment Helium Solo
Rab Neutrino 200
Sierra Designs Nitro 800 / 35 Degree
$300 - $319
REI Helio Down 45
Sea to Summit Spark SP II
$349 - $399
The North Face Basalt 40/4
Mountain Equipment FireFly 40F
user rating: 5 of 5 (3)
REI Travel Down +45
user rating: 4.5 of 5 (4)
Sierra Designs Backcountry Bed 600 2-Season
$250 MSRP
user rating: 4.5 of 5 (3)
MontBell U.L. Super Spiral Down Hugger #5
$244 MSRP
user rating: 5 of 5 (1)
Cabela's Boundary Waters 40
user rating: 5 of 5 (1)
Sierra Designs Wicked Light 45
$220 MSRP
user rating: 5 of 5 (1)
Kelty Coromell Down 40
user rating: 4 of 5 (3)
Marmot Aspen 40 Ultralight
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