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Product Details
The Big Agnes Sidewinder SL 20°F/-7°C Women's Down Regular Hybrid Sleeping Bag is the ultimate solution for side sleepers. This down sleeping bag features body-mapped insulation to minimize pressure points and ensure a cozy night's sleep. With a contoured design, this women's sleeping bag enhances comfort where it matters most.
Contours to your figure for optimal thermal efficiency
Designed for side sleepers with a technical fit that moves with you
Jacket-style hood keeps insulation close without limiting mobility
Unique Pillow Barn keeps your pillow in place with easy access for adjustments
Body-mapped insulation optimizes warmth and reduces pressure points
PFAS-free water repellent finish on shell and lining for improved durability
650 fill Downtek™ PFC-Free down provides lofty warmth while synthetic insulation targets hips and feet
| Type of Sleeping Bag | Mummy |
|---|---|
| Season | Spring/Summer,Fall |
| Lower Limit Temperature Rating (°C) | -7.00 °C |
| Zipper Placement(s) | Left |
| Product Use(s) | Cottages,Hammock Camping,Canoe Camping,Tent Camping,Car Camping,Camping,Backpacking |
| Advanced Features | Baffles |
| Accessories List | Stuff Sack,Storage Bag |
| Primary Material | Ripstop Nylon |
| Interior Lining Material | Polyester |
| Fill Material | Down |
| Fill Weight (g) | 650.00 g |
|---|---|
| Compressed Volume (l) | 14.00 l |
| Assembled Length (cm) | 183.00 cm |
| Assembled Width (cm) | 147.00 cm |
| Stuffed Stack Length (cm) | 44.00 cm |
| Stuffed Stack Height (cm) | 20.00 cm |
| Stuffed Stack Weight (lbs) | 1.19 lbs |
| Shoulder Circumference (cm) | 147.00 cm |
| Hip Circumference (cm) | 142.00 cm |
| Foot Circumference (cm) | 84.00 cm |
| Certifications | Responsible Down Standard Compliant |
| Sustainability | Global Traceable Down Standard Certified,BLUESIGN® - Approved product |
Online Ordering
- Free Pick Up In-Store
- Free Standard Shipping on orders over $99
- Same-Day Delivery costs $9.99 per order
- Online Ordering Information
Returns
- Most products can be returned or exchanged at any Sport Chek retail store
- Return to our warehouse via mail at your cost
- Returns must be made within 30 days to receive a full refund
- Returns made between 31 and 60 days will receive merchandise credit
- The return policy outlined above may not apply to the product you are currently viewing. For complete details and eligibility, please refer to our Return Policy for exceptions.
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Reviews
1 to 6 of 6 Reviews
1 – 6 of 6 Reviews
Highest to Lowest Rating
5 out of 5 stars.
Cozy and Perfect
7 months ago
I took this on my first backpacking trip and I loved it. The sleeping bag is spacious, comfortable, and warm without taking up too much space in a pack.
Originally posted on Big Agnes
5 out of 5 stars.
I love this option for side sleepers
2 years ago
I love this option for side sleepers. It is so nice not to have the zipper in the way. It is warm and cozy.
Originally posted on Big Agnes
4 out of 5 stars.
Comfy lightweight bag
5 months ago
I bought this bag for summer camping in the Colorado high country. I already have a 0 bag from Big Agnes so I needed something that wouldn't be so warm. I am a side sleeper and this seemed like the perfect bag. It's comfy, I love the fabric and I like the space for my knees when I sleep on my side. I also really love the hood. My only two criticisms are that the bag is a bit tight so I don't feel like I can really spread out. My knees hit one side while my bottom hits the other. I also like to sleep with something between my knees and there isn't much room for that. My other issue is that when you turn over you either have to flip the entire bag with you or turn the other way so that your knees don't fit into the shape of the bag. Flipping the entire bag over would be fine if I had a lot of space but when you have your bag on a ground pad and sleeping next to other people you can't really roll side to side. This bag is lightweight and silky though.
Originally posted on Big Agnes
4 out of 5 stars.
great bag for side sleepers
a year ago
This bag has kept me warm while backpacking in the mountains in the summer, spring, and fall. It also kept me cozy when sleeping in my car in the winter. I'm 5'4" and purchased the petite bag. It fits me, but I don't have much wiggle room. If you're any taller than me or like some roominess, I'd recommend buying the regular size.
Originally posted on Big Agnes
4 out of 5 stars.
So comfortable.
2 years ago
Fits me great (5'7" female). So comfortable. Can't wait to get it outside. Will update once it is put to use.
Originally posted on Big Agnes
3 out of 5 stars.
Sheds down constantly
7 months ago
As a side sleeper, I adore the fit on this bag, and it's relatively lightweight. However, It is not nearly warm enough for temperatures in the high 20s, even with clothing layers and it constantly leaks down. My other bags do not do this. I've had the bag for a couple years now (but less than 10 trips), and I thought the down leak was just an introduction situation. It hasn't gone away, i'm shaking out and sweeping up feathers every trip. One nice thing about this bag is that because it zips on the front, if you do get a very warm summer night, you can make it work as a quilt by opening the zipper all the way and flipping it over you (the hood can be a bit bulky but it's not horrible)
Originally posted on Big Agnes
