SKU: 89997277111

Reactor Lightweight Sleeping Bag Liner - Grey

Sale price$40.50 Regular price$45.00
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 23 - Aug 28

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Reactor Lightweight Sleeping Bag Liner - GreyAn ideal addition to your camping kit, the Reactor Lightweight Sleeping Bag Liner from Sea To Summit offers up to 6C of additional heat inside your sleeping set up. In addition to the stretch knit construction, this liner has armholes to increase freedom of movement, handy if you toss and turn under the stars. Features: Freedom to Move: Stretch knit construction and armholes provide unrestricted comfort for any sleep position. Lightweight Thermal

An ideal addition to your camping kit, the Reactor Lightweight Sleeping Bag Liner from Sea To Summit offers up to 6°C of additional heat inside your sleeping set up. In addition to the stretch-knit construction, this liner has armholes to increase freedom of movement, handy if you toss and turn under the stars. 

Features:

  • Freedom to Move: Stretch-knit construction and armholes provide unrestricted comfort for any sleep position.
  • Lightweight Thermal Boost: Thermolite® Pro with FIR and hollow-core fibres adds up to 4 °C | 7 °F warmth.
  • Easy to Clean: Quick-drying and machine washable with HeiQ Fresh odour control treatment.
  • Compatible Design: Fits all sleeping bags and snaps into Sea to Summit bags for secure positioning.
  • Protects Your Sleeping Bag: Reduces washing frequency to maintain insulation loft and extend bag lifespan.
  • Ideal for backpacking, travel, hut stays, and warmer-weather adventures.

Materials:

  • Thermolite Pro & Thermolite EcoMade

Specifications:

  • Best use: Backpacking & Camping
  • Added Warmth: Up to 6°C
  • Comes With: Ultra-Sil stuff sack
  • Shape: Mummy
  • Weight: 255g
  • Max Height: 185cm
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 89997277111

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4.9 ★★★★★
Based on 28 reviews
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N
Verified Purchase
Nunca me llegó el pedido
Birmingham, US
★★★★★ 5
Muy suaves
Size: 6.5, Color: Black
Son muy cómodas me encantaron
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026
J
Verified Purchase
Jami
Boise, US
★★★★★ 2
Not the best
Size: 7, Color: Black, Size: 7, Color: Black
They are cute but they have a bit of an odd fit that isn’t great for people with narrow feet. They look too dressy to wear with super casual outfits in my opinion. I think the Ugg golden star sandals are much comfier. If you’re wearing these sandals for a really short time they’d be okay. After wearing them around my house for a little while I decided to return them since they started to hurt my feet.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026
M
Verified Purchase
Ms. Moon
New York, US
★★★★★ 3
Not for narrow feet, very lightweight.
Size: 7.5, Color: Black
My feet are slightly narrow; these were not adjustable enough to make secure. Otherwise they are cute. The material feels kind of light, these were my first attempt at UGGs so I'm not sure if that's typical or an actual quality issue. Either way, they don't seem very durable but I can't imagine these are meant for roughing it.
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Reviewed in the United States on May 8, 2026
S
Verified Purchase
sandra
Houston, US
★★★★★ 5
Decepcion
Size: 9.5, Color: Molasses
Excelentes sandalias supercomodas y ligeras quedan muy bien al pie, soy 9 y pedí 9.5 excelente
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Reviewed in the United States on May 28, 2026
P
Verified Purchase
Pamela S. Brown
San Leandro, US
★★★★★ 5
Great value
Size: 9.5, Color: Black
I absolutely adore these sandals. They are comfortable and super urban. Worth there value all the way around!
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Reviewed in the United States on March 24, 2026

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