✨ New Arrivals Just Dropped!Explore
HomeStore

Reactor Fleeceweight Sleeping Bag Liner

Product image 1
Product image 2
Product image 3
Product image 4
Product image 5
Product image 6
Product image 7
Product image 8
Product image 9

Reactor Fleeceweight Sleeping Bag Liner

Boost your sleep system’s warmth with the Reactor Fleeceweight. Thermolite® hollow-core fibers and grid fleece trap and reflect body heat, adding up to 8°C|14°F with minimal weight. The stretch fleece and arm openings allow freedom of movement, while snap attachments fit Sea to Summit sleeping bags for easy access. Easy to clean and quick-drying, it features HeiQ Fresh odor control. Using a liner reduces sleeping bag washes, helping preserve loft and extend lifespan.

Features

  • Boosts Sleep System Warmth – Reactor Fleeceweight uses Thermolite® hollow-core fibers and grid fleece to trap warmth with minimal added weight
  • 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 odor 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 fibers and bluesign APPROVED materials to minimize environmental impact
  • Can be used on its own as a lightweight sleeping bag in warm-weather conditions
Select Size
From $29.73

Original: $84.95

-65%
Reactor Fleeceweight Sleeping Bag Liner

$84.95

$29.73

Product Information

Shipping & Returns

Description

Boost your sleep system’s warmth with the Reactor Fleeceweight. Thermolite® hollow-core fibers and grid fleece trap and reflect body heat, adding up to 8°C|14°F with minimal weight. The stretch fleece and arm openings allow freedom of movement, while snap attachments fit Sea to Summit sleeping bags for easy access. Easy to clean and quick-drying, it features HeiQ Fresh odor control. Using a liner reduces sleeping bag washes, helping preserve loft and extend lifespan.

Features

  • Boosts Sleep System Warmth – Reactor Fleeceweight uses Thermolite® hollow-core fibers and grid fleece to trap warmth with minimal added weight
  • 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 odor 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 fibers and bluesign APPROVED materials to minimize environmental impact
  • Can be used on its own as a lightweight sleeping bag in warm-weather conditions

You may also like

-65%
Thumbnail 1Thumbnail 2

Big River Dry Backpack

$139.95

$48.98

Thumbnail 1Thumbnail 2

Alpine Down Sleeping Bag

$934.00

-65%
Thumbnail 1Thumbnail 2

Frontier Ultralight Collapsible One Pot Cook Set - (5 Piece)

$139.95

$48.98

-65%
Thumbnail 1Thumbnail 2

Telos Bigfoot Footprint

$52.46

$18.36

Thumbnail 1Thumbnail 2

Alto Bigfoot Footprint

$29.98

-65%
Thumbnail 1Thumbnail 2

Camp Plus Self Inflating Sleeping Pad

$99.00

$34.65

-65%
Thumbnail 1Thumbnail 2

Comfort Deluxe Self Inflating Sleeping Pad

$319.00

$111.65