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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
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Description
Sea To Summit Comfort Blend Sleeping Bag Liner - RectangularA liner is the core of a sleep system, keeping your sleeping bag clean and improving your sleep climate. The Comfort Blend liner uses a stretch knit fabric made of polyester and TENCEL Lyocell fibers to create a soft, comfortable, moisture wicking layer around you. Best Use Moisture Management, Travel Comes With Storage Case Material(s) Coolmax Polyester & TENCEL Lyocell Special Bio based HeiQ Fresh Odor Control Features The TENCEL Lyocell Polyester
A liner is the core of a sleep system, keeping your sleeping bag clean and improving your sleep climate. The Comfort Blend liner uses a stretch-knit fabric made of polyester and TENCEL Lyocell fibers to create a soft, comfortable, moisture-wicking layer around you.
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Best Use
Moisture Management, Travel
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Comes With
Storage Case
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Material(s)
Coolmax Polyester & TENCEL Lyocell
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Special
Bio-based HeiQ Fresh Odor Control
Features
- The TENCEL Lyocell/Polyester blend provides excellent moisture wicking and next-to-skin comfort
- HeiQ odour control technology helps keep the liner fresh even after extended use
- Stretch-knit fabric and a rectangular cut for superior freedom of movement
- Available in a Rectangular shape, and a Rectangular version with standard-size pillow sleeve
- Rectangular version is designed for use with rectangular sleeping bags and quilts: improve your sleep climate while keeping your bag or quilt clean
- Rectangular with Pillow Sleeve is a great hygienic sleep sheet wherever you travel
- Sea to Summit Guarantee is offered for the Lifetime of this product
Technical Features
Tencel
This product is made from 70% COOLMAX® fiber and 30% TENCEL™. Lyocell fiber for exceptional temperature regulation and luxurious next-to-skin comfort.
HEIQ Fresh
Sea to Summit Liners are treated with HeiQ Fresh FFL, a biocide-free, highly effective odor control technology that uses a bio-based Amino Sugar Polymer to neutralize body odor.
| Rectangular | |
| Weight | 10.2oz |
| Dimensions | 72.8 x 31.5 |
| Packed Size | 5.9 x 3.0 x 4.7 in |
| Pack Size | 7.1 x 3.1 x 5.1 in |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 3
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Reviewed in the United States on March 6, 2026
★★★★★ 5
This is a great ball for high energy dogs.
Color: Blue
I have a Belgian Malinois, so you can imagine the Maligator jaws. Just opened this today and let her play with it indoors. She LOVES IT. It wore her out and it’s a toy she can really stay focused on without needing me to throw or roll for her. It moves on its own! I supervised her play. I was hoping it was too big to get under the couch, but no. It goes right under it. I had to block off the gap so I didn’t have to keep getting it out from under for her. The outter “shell” is very durable! When she had resting moments, she chewed it pretty good - I could hear the material squeaking against her teeth. I was worried she was tearing it up, but nope! Not a mark on it. It’s easy to set up and operate. It needed charging before play. After hours of play, she was able to somehow unscrew the outter shell. This concerned me bc the smaller, inner ball mechanism came out but I saw it right away and was able to put it back together. So, make sure it’s screwed together tightly (which I thought I had done without breaking it) and check it from time to time to make sure it hasn’t loosened. This is a great ball for her incredible high energy drive. It gives her the work and fun play she needs to get tired, which I love. This toy is on the expensive end, but so far it’s worth it. Now we’ll see how long it lasts!
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Reviewed in the United States on October 7, 2025
★★★★★ 5
Love love it
Color: Blue
Best dog toy ever. I have a 1 year old boxer who is full of energy (understatement). This ball has provided more entertainment for us both than any dog toy I’ve ever purchased. Charge holds well and has a very resilient shell. I love it. Worth the price.
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Reviewed in the United States on May 23, 2026
★★★★★ 4
Great ball for limited entertainment. Replaceable outer shell is an amazing option!
Color: Blue, Color: Blue
Bought this for our 45lb, ball-obsessed Dutch shepherd/pit bull dog mix. I had one of these years ago with the hard shell and couldn’t be happier with the new foam shell.
The new foam shell is much quieter and while our dog might put holes in it with his teeth, he doesn’t seem to ever pull pieces off.
For engagement level, he found it VERY interesting at first and was scared to grab it, but once he got over that he started holding it in his mouth even when it shakes and just tries to keep it.
Isn’t the best for fetch or anything as he has trouble letting it go when it is actively moving, but it makes him happy while he has it. We just make sure to monitor him while it is out.
The ability to change the outer shell and just buy a replacement for the shell instead of a whole new toy is a lovely feature that makes me very happy to continue buying from this company.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Great Interactive Option
Color: Blue
To start, I have been very happy with this purchase. A couple of key points for me are durability and being able to keep my dog's attention. I have had it for almost a year, just a month shy, and she hasn't managed to get through the foam outer shell even though she tries real hard to do so. Let's just say, she's hard to find toys for because of her habit of finding the point of failure where she can pick and gnaw at until the toy is no longer safe for her to have. With this toy, she not only found her match, but it also has her watching, waiting, and even stalking. Only one small issue has recently occurred: the motor has started having an issue where the charge doesn't hold, and it doesn't remain on afterwards. I have reached out to Cheerble directly to see about replacing it since I am still within their 12-month timeframe, and they responded right away.
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Reviewed in the United States on April 22, 2026
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