How to Choose Sleeping Bags for Backpacking
Sea to Summit Trek 30F Sleeping Bag - Women's
$364.00 – to $394.00
Body-mapped insulation and a temperature-regulating Free-Flow Zip System—which lets you use it a quilt or wear it—make the Sea to Summit Trek 30F women's sleeping bag a comfy option wherever you go.
Key Details
Fill
650+ fill-power duck down
Weight
Regular: 2 lbs. 11.7 oz.
Long: 3 lbs. 2 oz.
Compressed Volume
Regular: 9.3 liters
Long: 11.3 liters
Temperature Rating (F)
30 degrees (F)
- RDS-certified, 650+ fill-power duck down with a non-PFAS Ultra-Dry Down treatment to stay drier in damp conditions
- Recycled 20-denier polyester shell with a non-PFAS durable water repellent (DWR) finish that blocks wind and moisture
- Polyester liner provides pure comfort
- Tapered-rectangular, women-specific fit is designed for spacious comfort when you're camping or traveling
- Free-Flow Zip System allows unparalleled ventilation so you can open a Trek up to use as a quilt in warmer weather
- With the Free-Flow Zip System, you can even secure the snaps around your shoulders, open the footbox zipper and 'wear' the Trek around camp
- Couple a women's Trek to a compatible unisex Trek (not included) for the perfect 2-person camping/travel sleep environment
- Sea to Summit Guarantee is offered for the lifetime of this sleeping bag
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 Sea to Summit Backpacking 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 | Backpacking |
|---|---|
| Tested Lower Limit | 12 degrees (F) - ISO |
| Tested Comfort | 25 degrees (F) - ISO |
| Temperature Rating (F) | 30 degrees (F) |
| Temperature Rating (C) | -1 degrees (C) |
| Weight | Regular: 2 lbs. 11.7 oz. Long: 3 lbs. 2 oz. |
| Shell | 100% RCS recycled polyester |
| Zipper Location | Left/Right |
| Insulation Type | Down |
| Water-Resistant Down | Yes |
| Fill | 650+ fill-power duck down |
| Fill Weight | Regular: 1 lb. 2.3 oz. Long: 1 lb. 5.5 oz. |
| Sleeping Capacity | 1-person |
| Lining | 100% RCS recycled polyester |
| Sleeping Bag Shape | Semirectangular |
| Fits Up To (in.) | Regular: 66.5 inches Long: 72.5 inches |
| Shoulder Girth (in.) | Regular: 57.1 inches Long: 61 inches |
| Hip Girth (in.) | Regular: 57.1 inches Long: 61 inches |
| Stuff Sack Volume | Regular: 18 liters Long: 20 liters |
| Compressed Volume | Regular: 9.3 liters Long: 11.3 liters |
| Gender | Women's |
| Sustainability | Down certified to the Responsible Down Standard (RDS) Contains recycled materials |
Buying Advice
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Customer Images
meeshi
Gorgeous color and I love the design and materials
1 year ago
[This review was collected as part of a promotion.] I love the hooded part of the sleeping bag. It’ll be extra warm and comfortable for the head and face. The bottom of the bag has a zipper to let air circulate around the feet. The color of the bag is so vibrant and beautiful. I love the turquoise color. It’s super soft with the down insulation and the outside material is soft to touch. It’s gonna be so fun to use out on camping trips in the future.
Originally posted on influenster.com
fanz817
Very warm
1 year ago
[This review was collected as part of a promotion.] The Sea to Summit Trek Down Sleeping Bag for Women, Regular 15F | -9C, is a high-quality, versatile option for outdoor enthusiasts. Designed specifically for women, it features 650+ Loft ULTRA-DRY Down for excellent warmth-to-weight ratio and moisture resistance. The sleeping bag is spacious, allowing for comfortable movement, and includes a contoured hood and draft collar to retain heat. It's suitable for temperatures down to -9°C (15°F), making it ideal for three-season use. Overralcthisnis greet for camping or backpacking in cold climates for adventures! It comes with a storage bag as well which is great!
Originally posted on influenster.com
miket9999
Best choice
1 year ago
[This review was collected as part of a promotion.] The Sea to Summit Trek Down Sleeping Bag for women in regular size (15F) is a top-notch choice for cold weather adventures. Its lightweight design and high-quality materials make it ideal for backpacking. The warmth and comfort it provides ensure a cozy night's sleep even in chilly conditions. Highly recommended for female outdoor enthusiasts seeking reliable gear for their expeditions.
Originally posted on influenster.com
Anonymous
Incredible Quality
1 year ago
[This review was collected as part of a promotion.] If you go camping in the cold you need this sleeping bag. This cozy bag will keep you warm down to 15F. It can also be used in warmer weather, just unzip and use like a quilt. The quality is truly amazing. Also comes with a compression bag to easily pack and carry.
Originally posted on influenster.com
airinhand
Well Thought out and Cozy!
1 year ago
[This review was collected as part of a promotion.] Wow! What a well thought out sleeping bag! Not only is it super comfortable and very well insulated, it has so many excellent ventilation zippers that make it great for so many different temperatures!
Originally posted on influenster.com
beautyandjoy
Very soft
10 months ago
[This review was collected as part of a promotion.] This Trek down sleeping bag is so comfortable. It folds down into a very small space. I love the color and how compact it is. It will keep you nice and warm. I highly recommend this product.
Originally posted on influenster.com
chelsiedever_
Very nice sleeping bag
1 year ago
[This review was collected as part of a promotion.] This sleeping bag is really nice! It really does keep you warm! It is very comfortable and fits me perfectly! It’s easy to back up and light to carry too
Originally posted on influenster.com
elizabethl284
Great color but very poor quality
1 year ago
[This review was collected as part of a promotion.] This sleeping bag can keep me warm even in really cool temperatures. I go both tent camping and camper camping (sometimes without heat while doing the latter.) I love the blue color. It’s very appealing to me. However, from the get go the snaps at the top of the sleeping bag broke off. This should never happen on the first use. There also appeared to be no way for me to even sew them back on. Since this is a mummy bag the top is supposed to go up and keep my head warm. I’m an average height and female. I felt that the top didn’t leave enough room to go over my head. When I tried to turn on my side it was quite uncomfortable. The only way to lay is truly on my back the entire night. The sleeping bag allows me to unzip at the bottom for my feet, however, that made me feet cold so I zipped it back up. The bag is made of down which is warm but that meant several feathers came out immediately. I tried to use the inner zipper at the top once I was in the bag and the zipper was not smooth. While the bag is warm, it is uncomfortable and very poorly made. I won’t be using this again and will go back to my regular sleeping bag for camping.
Originally posted on influenster.com
kmckinley21
So warm!
1 year ago
[This review was collected as part of a promotion.] I haven’t gotten to actually use this product yet but I know it’s going to be amazing. It’s extremely well made, very warm and cozy. It folds up nicely for easy transport and could be taken backpacking as well. I’m super excited for our next camping trip!
Originally posted on influenster.com
changl
Great sleeping bag
1 year ago
[This review was collected as part of a promotion.] I went camping by the beach and this kept me incredibly warm. It fit me well and was enough for my legs to move around a bit. It was very comfortable and lightweight.
Originally posted on influenster.com
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