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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 25 - Jul 30
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
4.4 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
The cutest!
Size: One Size, Color: Gold-tone Hardware/Mk Embossed Glitter/Crimson
Happy with my purchase! If you are looking for a small yet cute wallet this is for you! I put just the important items (ID, couple cards and cash) it’s great to throw into a sling bag and go! Doesn’t take up too much space yet is cute to carry! Got a compliment at the store by the cashier about the slight glitter hue it has!
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Perfect
Size: One Size, Color: Gold-tone Hardware/Vanilla/Acorn
Great! The color is so nice and it is very durable. it can hold so much and it is such a perfect gift. Great material and good quality.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
It has great compartment and lots of room.
Size: One Size, Color: Silver-tone Hardware/Chambray
Amazing and roomy little purse.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
So cute
Size: One Size, Color: Silver-tone Hardware/Light Sand
Cutest little wallet for when I carry a small purse. For just a few of the things, it's perfect. Its the Michael Kors quality you'd expect. Highly recommend if you only want to carry your drivers license and a couple of cards
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Reviewed in the United States on March 21, 2026
★★★★★ 5
Perfect size
Size: One Size, Color: Silver-tone Hardware/Chambray
Love the size of the wallet and match my MK purse as well
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Reviewed in the United States on May 9, 2026