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Experience the ultimate in comfort and versatility with our hybrid mummy sleeping bags. Designed to provide warmth and insulation without sacrificing mobility, these sleeping bags feature a unique blend of materials for optimal performance. Lightweight and compact, they are perfect for backpacking, camping, or any outdoor adventure. With a snug fit that retains heat while allowing for easy movement, you can enjoy restful nights under the stars. Explore our collection to find the ideal hybrid mummy sleeping bag for your next expedition.
$539.00
He says it will be perfect for his backpacking trips and/or camping. ... [ Great bag, light weight, keeps me warm, haved used for years from Mount Whitney to
5
cgolkie
[ Purchased this bag for shoulder season backpacking in Colorado. I used it for the firsttime last weekend. Night time temps got down to around 28F and this bag kept me toasty and feeling warm all through the night. It is incredibly light weight considering the fill and has a nice feel to the material. The only thing I would change is to have the secondary foot zipper extend further into the foot box area. It does n't expel heat fast enough if you run warm.
5
Avrula
[ Soft as butter, toasty warm, light as a feather. This is a go to back for cold backcountry.
5
Loria
[ Bought this as a gift for my son, he loves it and said it. He says it will be perfect for his backpacking trips and/or camping. Is lightweight. He is 6'5 '' and he says it fits him well.
5
trainrunner238
[ Warm, lightweight, and compressible, this 15° sleeping bag is ideal for chilly nights. The insulation traps heat effectively, and the zipper does n't snag. Perfect for backpacking or camping when temperatures drop but you still want packability and comfort.
5
Spiffy
[ Loved snuggling into this Absolute beast I can not state enough how clutch this came in
$54.99
The relaxed mummy shape is perfect. ... The bag is perfect for the spring or fall as it offers just the right amount of warmth. ... It kept me from feeling the cold wind at the track and soccer
5
Stacy
When i got this sleeping bag delivered, first thing i noticed was how compact it was and the strap to carry it. i then rolled the sleeping bag onto the floor and got into it, it was easy to zip up and a good fit for an adult. i will purchase another soon, really like it for the price.
5
Nicole
Adult hybrid 30 sleeping bag is a great bag at a very reasonable price point. The relaxed mummy shape is perfect. The bag is very warm yet lightweight and the two way zipper allows you to let your feet out if needed for cooling. Love the fabric and the gorgeous teal color of the bag. What stood out was that it was not very noisy as some bags of this material are noisy. At 5 ’ 8 ” this bag was perfect for my height. Any taller though and you would be completely filling the hood to foot of the bag! A nice little extra is the little Velcro top pocket inside for keys or anything valuable. I also liked the extra feature of the clip on cover for the top of the bag to prevent dirt or water getting into the drawstring carry bag. This bag is perfect for our family camping trips and Cub Scout camp outs!
5
Winter
This sleeping bag is great! The material is soft and comfortable. I like the inner pocket! The color is nice and it's a good value. It's also packable so it saves space! The bag is perfect for the spring or fall as it offers just the right amount of warmth.
5
Ron m
We have a similar LL bean sleeping bag and this matches the color perfect so we can match when we go snowmobiling. It is also the same degrees and we tried it the other day for fun outside. It kept warm.
5
Chris
I am somewhere between car camper and hiker. It serves both purposes. I wouldnt use it in our colorado winters but other than that ill make this my primary bag. Really happy with weight and comfort. Would recommend
$119.00
I am glad I choose it as it serves my needs, is in great condition still and is easy to use. ... This bag is very comfortable, perfect for the southwest Colorado bow
5
Ronin
I bought this bag as a Christmas gift for my son. It is fantastic. I love the different features it has. Such as the dual zipper, the little stash pouch for your head lamp or flashlight, and the material. My son now only wants to sleep in the sleeping bag instead of his bed.
5
Rustle
[ its been just about everywhere and has done its job well everytime. When I feel a little lonesome for the trail I open it up at home. even came with a compression sack
5
Brownie12
[[ Employee of marmot] 1 years ago I bought I ’ ve used twice both times very warm and great sizing in 5. 9
5
Popasurf
[ Bought this about a month or two back, have used it on three over night trips now... Sleeps comfortably in all conditions, my evening in the upper 30 ’s I stayed toasty and warm. And this past weekend in the 60 ’s, I wasn ’ t too hot. Rather perfect temperature in each sleep. Highly suggest the bag at this price point.
5
AronSea
[ Great bag! Lightweight comfy and packs down good. I bought as a summer bag for multiple backpacking trips in the cascades and it worked out perfect.
$449.00
I just can ’ t wait to use my new spark down sleeping bag for women by sea to summit. ... It is so warm and comfortable. ... It saves a lot of space in a backpack or
5
heatherw539
[ This sleeping bag is amazing! It is extremely warm and will keep you toasty on those cold nights outdoors. It fit me perfect with some extra room with a height of 5ft. It is on the larger side and they give a small bag to pack it in which is very difficult to get it in. They also include testing results on the down goose and duck feathers they use to insulate it. Definitely worth the buy!
5
elizabethr1983
[ This sleeping bag is the real deal! Let me tell you, I ’ ve put it through the wringer on a bunch of camping trips, and it's come out on top every single time. The durability of this thing is seriously impressive. I ’ ve treated it pretty rough, tossing it around, stuffing it into tight spots, and it still looks and performs like it ’s fresh out of the box. And let's talk about comfort. Oh boy, this bag is next- level cozy. I ’ m talking about sinking into a plush cloud kind of comfort. It ’s like a warm hug after a long day of hiking. I ’ m usually tossing and turning when I ’ m camping, but not with this bad boy. I slept like a log, no kidding. It fit me wonderfully! Now, let ’s get into packability. This is where this bag really shines. I ’ m all about saving space, especially when I ’ m packing for a camping trip. And let me tell you, this bag packs down like a dream. It squishes down nice and small, taking up hardly any room in my pack. It ’s a game- changer for sure. And the insulation? It ’s top- notch. I ’ ve used this bag in all kinds of weather conditions, from chilly nights to downright freezing ones, and it ’s never let me down. I ’ m talking about staying warm and cozy even when the temperature drops below freezing. No need for extra layers or anything like that. Overall, if you ’ re in the market for a sleeping bag that ticks all the boxes, this one ’s a winner. It ’s durable as heck, ridiculously comfortable, packs up like a champ, and keeps you warm when it matters most. Trust me, you won ’ t regret it
5
zarachristine
[ This sleeping bag is amazing! It ’s so soft and lightweight so very easy to hike/backpack/camp with. Despite being so lightweight the dense down feather inside of it allows for a lot of warmth! I love how it hugs my body perfectly keeping me nice and insulated.
5
deborahc70
[ This sleeping bag is incredibly light! It shrinks down so much. It easily fits in my backpack. It is so warm and comfortable. I love that I still have room to comfortably sleep.
5
shawnam87
[ I was sent this product in return for giving my honest opinion about it. The Sea to Summit Spark sleeping bag is a lightweight and compact sleeping bag that would be perfect for backpacking because it is so light. It has down insulation for warmth. I like that it has a hood it makes me feel covered really well. When I tried it out it wasn ’ t very cold but after a few minutes I was sweating so I could see how this would be great in very cold conditions.
$579.99
Durable and compact ... It ’s soft, flexible and extremely lightweight. ... This is high quality gear you don ’ t need to worry about not working well on your
5
heatherw539
[ This sleeping bag is amazing! It is extremely warm and will keep you toasty on those cold nights outdoors. It fit me perfect with some extra room with a height of 5ft. It is on the larger side and they give a small bag to pack it in which is very difficult to get it in. They also include testing results on the down goose and duck feathers they use to insulate it. Definitely worth the buy!
5
elizabethr1983
[ This sleeping bag is the real deal! Let me tell you, I ’ ve put it through the wringer on a bunch of camping trips, and it's come out on top every single time. The durability of this thing is seriously impressive. I ’ ve treated it pretty rough, tossing it around, stuffing it into tight spots, and it still looks and performs like it ’s fresh out of the box. And let's talk about comfort. Oh boy, this bag is next- level cozy. I ’ m talking about sinking into a plush cloud kind of comfort. It ’s like a warm hug after a long day of hiking. I ’ m usually tossing and turning when I ’ m camping, but not with this bad boy. I slept like a log, no kidding. It fit me wonderfully! Now, let ’s get into packability. This is where this bag really shines. I ’ m all about saving space, especially when I ’ m packing for a camping trip. And let me tell you, this bag packs down like a dream. It squishes down nice and small, taking up hardly any room in my pack. It ’s a game- changer for sure. And the insulation? It ’s top- notch. I ’ ve used this bag in all kinds of weather conditions, from chilly nights to downright freezing ones, and it ’s never let me down. I ’ m talking about staying warm and cozy even when the temperature drops below freezing. No need for extra layers or anything like that. Overall, if you ’ re in the market for a sleeping bag that ticks all the boxes, this one ’s a winner. It ’s durable as heck, ridiculously comfortable, packs up like a champ, and keeps you warm when it matters most. Trust me, you won ’ t regret it
5
zarachristine
[ This sleeping bag is amazing! It ’s so soft and lightweight so very easy to hike/backpack/camp with. Despite being so lightweight the dense down feather inside of it allows for a lot of warmth! I love how it hugs my body perfectly keeping me nice and insulated.
5
deborahc70
[ This sleeping bag is incredibly light! It shrinks down so much. It easily fits in my backpack. It is so warm and comfortable. I love that I still have room to comfortably sleep.
5
shawnam87
[ I was sent this product in return for giving my honest opinion about it. The Sea to Summit Spark sleeping bag is a lightweight and compact sleeping bag that would be perfect for backpacking because it is so light. It has down insulation for warmth. I like that it has a hood it makes me feel covered really well. When I tried it out it wasn ’ t very cold but after a few minutes I was sweating so I could see how this would be great in very cold conditions.
$75.95
This material is cooling, perfect for the upcoming summer camping. ... I love how lightweight it is. ... Comfortable, warm and packs up small ... It is so easy to wash compared to a sleeping
5
jessicas988
[ I was happy to test out the Sea to Summit Breeze Sleeping Bag Liner complimentary through Influenster in exchange for my honest review. I had never thought of using a liner before being introduced to this product, but this is actually quite useful. As someone who tends to get hot quite easily, especially while sleeping, this felt great on the skin. As soon as you envelope yourself in this liner, you get a nice cooling effect. The material is soft, lightweight and allows for movement, which adds to a comfortable sleep. This liner is shaped nicely with a hood, arm holes and an open bottom, so you could just wear this out and pull up the bottom if you need to get out of your sleeping bag in the middle of the night, and therefore, not leave this to get tangled in the bottom of the bag or struggle to get comfortably around you. I did notice the cooling sensation wear off while I slept, but I did not wake up drenched in sweat or feel like I was overheating as I often do. I hand washed this in cold and hung it to dry and it was dry within the day. I believe with proper care this will hold up nicely as long as you do not snag it. Also, this comes with a travel pouch and takes up very little space and would be easy to travel with. I 'm very pleased with this product and find it to be a useful solution to hot sleepers like myself.
5
markj22
[ This sleeping bag liner is genius. I never knew sleeping bag liners were a thing until we got this product. It's so easy to wash and will keep the sleeping bag clean. I never wanted to wash our sleeping bags because it's such a pain. I love how lightweight it is. I 'm a hot sleeper plus I live in Texas, so this liner will honestly be enough even without the sleeping bag most of the time. I also love the idea of being able to use it in hotels or in travel situations if I 'm concerned about cleanliness. It's easy to pack and takes up almost no space. I 'm so happy to have this liner.
5
Rachel
I do n't normally give five stars, but I really like this product. I have the mummy version and love the drawstring bottom and snaps at the top. The snaps at the top mean you can have your arms free which is great for people who sleep with their hands behind or above their head. It is so easy to wash compared to a sleeping bag. I also have a Reactor liner and the Breeze liner is noticeably cooler to the touch. This is a great product for camping on warm summer nights!
5
Ken G.
First of all, you NEED a liner for your sleeping bag. If you wash your bedding at home once a week — that being under ideal hygienic conditions where you shower every single day — you really do n't want that funk getting into your expensive sleeping bag! That's where a liner really helps! This liner is an upgrade for me. I 've been using a Sea- to- Summit Comfort Blend for several years, and I 've really liked that product a lot. But I thought a back- up liner might be nice. But I was really blown away with how nice the Breeze liner is! Mine is the regular Mummy style, and I really appreciate the soft, wicking material that the Breeze is constructed from. Apparently it's a similar material as the Tek towels( I think…maybe its one of the other towels?). I sleep hot, and I sweat a lot at night, so drawing that moisture off is a really nice feature. To help regulate my comfort( including at home) I usually stick my feet out of the end of the bed( and of the liner), so the opening at the bottom is actually a really welcome feature! Yeah…I do n't wander the campsite in my liner, but I suppose you could if you wanted to. To each their own! Anyhow, I really love my new liner. What WAS going to be a spare is now my go- to!
5
Eduardo M.
[ for the hot summer months and for those cold nights that you need something else. i mainly use this to cool down my body when it gets too warm but need that extra layer just to stay cool, in the summer this works well with a light blanket. and for the winter i use it to keep my quilt clean but still keep myself cool if it gets too hot, it adds extra layer of warmth because of all the heat being trapped and it is very cozy for sure i love this and planning to buy more.
$44.99
My daughter loves her new sleeping bag- curled up in it& wanted to sleep in it the day we got it. ... Warm/comfy sleeping bag ... This youth size sleeping bag is
5
Swboni
This is a well made mummy style sleeping bag. Comfortable and warm for moderately cold nights. Would recommend for children or small adults 5 ’ 5 ” or under. Compacts well for travel and breaks down much smaller than aniticipated. Would highly recommend.
5
Nice cut off shirt
My daughter loves her new sleeping bag- curled up in it& wanted to sleep in it the day we got it. She said it's warm and comfortable. She's looking forward to taking it for sleepovers. My wife will probably also use it to take to cold sporting events instead of a blanket. Great sleeping bag!
5
Grove
The Cypress Mummy Bag is a great little sleeping bag for kids. We 've had it camping, and it was taken on a sleepover. It worked great for both. It is a youth size, so only comfortable for kids, I would guess 11 or younger? Highly recommended if you 're looking for a sleeping bag for your young one.
5
KaKip3
This is a great quality sleeping bag. Fits my 10 year old perfectly and I can even get in it and I ’ m 5 ’ 5 ” but I would say that ’s the max. Warm thick material Without being heavy. Love the internal pocket with Velcro closure. Very easy to roll up and planet of room in the bag to fit it back in. Love the contrast colors. The zipper works well and doesn ’ t stick.
5
Cody
My son loves the Quest youth sleeping bag. He has used it on 2 sleep overs and loves using it watching TV. Very warm and comfortable. Our Golden Retriever try ’s to use it as much as possible 😉 I would recommend to everyone.
Hybrid mummy sleeping bags combine the advantages of both traditional mummy and rectangular sleeping bags, offering enhanced warmth and comfort. They typically feature a tapered design that reduces weight while maintaining insulation efficiency. This makes them ideal for backpacking and camping in various weather conditions.
Hybrid mummy sleeping bags often utilize a combination of synthetic and down insulation materials. Synthetic fills provide moisture resistance and durability, while down insulation offers excellent warmth-to-weight ratios. The outer fabric is usually designed to be water-resistant and breathable, ensuring comfort during outdoor activities.
Hybrid mummy sleeping bags are versatile and can be suitable for various seasons, depending on their insulation rating. Many are designed for three-season use, providing adequate warmth for spring, summer, and fall camping. However, for winter conditions, it's essential to choose a bag with a lower temperature rating to ensure adequate insulation.
When selecting a hybrid mummy sleeping bag, consider the lowest temperature you expect to encounter during your outdoor activities. Look for bags with temperature ratings that match your comfort needs, factoring in personal preferences and layering options. It's often recommended to choose a bag rated for slightly lower temperatures than you anticipate to ensure warmth.
Hybrid mummy sleeping bags often feature improved design elements such as more spacious foot boxes and additional insulation in key areas, enhancing overall comfort. The combination of materials used also contributes to a softer feel against the skin, while maintaining warmth. Many models include adjustable hoods and draft collars to personalize fit and reduce heat loss.
Yes, hybrid mummy sleeping bags are an excellent choice for backpacking due to their lightweight design and compact packability. Their efficient insulation allows for warmth without excessive bulk, making them easy to carry. Additionally, their versatility makes them suitable for various weather conditions encountered on the trail.
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