
Reactor Lightweight Sleeping Bag Liner - Grey
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
Original: $49.03
-65%$49.03
$17.16More Images




Reactor Lightweight Sleeping Bag Liner - Grey
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
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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



















