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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Reactor Midweight Liner Sea To SummitThe Reactor Midweight enhances your sleep system with advanced Thermolite Pro fabric. Infrared absorbing ceramic pigments and hollow core fibres trap body heat, adding up to 6C 11F to a sleep system with minimal bulk. Stretch knit fabric and arm openings allow unrestricted sleep, making it a great fit for any shape sleeping bag. Quick drying and easy to clean, it features HeiQ Fresh odour control and helps extend your sleeping bags lifespan by
The Reactor Midweight enhances your sleep system with advanced Thermolite® Pro fabric. Infrared-absorbing ceramic pigments and hollow-core fibres trap body heat, adding up to 6°C|11°F to a sleep system with minimal bulk. Stretch-knit fabric and arm openings allow unrestricted sleep, making it a great fit for any shape sleeping bag. Quick-drying and easy to clean, it features HeiQ Fresh odour control and helps extend your sleeping bag’s lifespan by reducing wash frequency.
FEATURES
- Boosts Sleep System Warmth – Thermolite® Pro uses Far Infrared technology and hollow-core fibres to trap and reflect body heat without extra bulk
- Freedom to Move – Stretch-knit and shaped arm openings allow unrestricted movement, providing natural comfort throughout your sleep
- Technical Shape and Hood – Ergonomic design with a fitted hood delivers optimal warmth and comfort without extra weight or bulk
- Stay Fresh Longer – HeiQ Fresh odour control technology keeps the liner fresh after extended use
- Sleep System Integration – Snap connectors at the shoulders easily pair with Sea to Summit sleeping bags for quick, hassle-free entry and exit
- Easy to Keep Clean – Machine washable construction simplifies care and reduces wear on your sleeping bag over time
- Lower Impact Materials – Crafted with certified recycled fibres and bluesign APPROVED materials to minimise environmental impact
TECH SPECS
Weight
S: 330g
R: 350g
L: 355g
Certification
RCS - 1114661
Dimensions
S: 80 x 178cm
R: 80 x 193cm
L: 80 x 198cm
Ideal for
Backpacking, Cycle touring, Paddle touring
Packed dimensions
11.5 x 11.5 x 19cm
Recommended user height
S: 170cm
R: 185cm
L: 198cm
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 20 reviews
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Product Reviews
★★★★★ 5
Perfect Comfort
The most beautiful COOLING COMFORTER I have in my home & I have at least 10! ! Crisp & clean look , a beautiful pink & beautifully made! The kind of comfort you want on a gentle warm breezy day! I am GA GA OVER THIS & Would buy again in a heartbeat 💓!
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Reviewed in the United States on May 16, 2026
★★★★★ 4
Very thin
Color: White, Size: King (104''x90'')
This is really cute but just beware it’s super super thin. The fabric is soft and it feel breathable but it’s very light and thin
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Reviewed in the United States on January 22, 2026
★★★★★ 5
Lightweight and cozy
Light and comfortable comforter perfect for summer time. Lavender color is lovely and the pattern of the fabric creates a nice texture.
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Reviewed in the United States on April 10, 2026
★★★★★ 5
Comfy for my honey
This is the most prettiest and most comfortable blanket.I've ever bought.I bought the king size cause I need more blanket on my queen's size.It keeps me cool and warm at the same time.Best.Money can buy
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Great pillow that helped relieve my neck pain!
This is probably one of the best, if not the best pillow I have ever used. I have periodically had a stiff neck in the mornings and the past 2 months it was constant. I got these pillows about a week ago and the first night that I tried it, my stiff neck was significantly less in the morning. I tried it for another 4 days and each day my neck felt better. I then visited my sister and used the pillow they had and the next morning my neck had pain again. The following night when I was back home, I used this pillow again and in the morning my neck pain was gone. I was completely surprised that this pillow worked for me, as I have tried many other pillows over the years. My wife, who also has neck pains, said that this pillow also helped her. The retail price is on the expensive side, but to me it is worth it. It comes with 2 queen size pillows that easily fit queen size pillow cases. It also comes with its own zippered cover that is made of a very soft microfiber type of material. The pillows are made of memory foam with portions of it more firm than others so that it can support your neck and head correctly. Depending on how you sleep, the pillow can be flipped or turned to match your sleeping style. I tend to sleep on my back and use the side that cradles your head. It is indicated by the blue portion of the pillow that I show in the pictures. The part that supports my neck is a little stiffer than where my head rests. Not sure if this works for everyone, but for me it is the best pillow I have ever tried, without a doubt!
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Reviewed in the United States on May 25, 2026
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