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Sea to Summit  Reactor Lightweight Sleeping Bag Liner

$69.95to $74.95

Ideal for ultralight expeditions, this Sea to Summit sleeping bag liner maximizes warmth with minimal weight. It uses advanced Thermolite® Pro tech to trap body heat, adding up to 7°F.

Color: Gray
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$74.95
$69.95
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Features

  • Lightweight Thermolite® Pro technology uses infrared-absorbing ceramic pigments and hollow-core fibers to trap body heat, adding up to 7°F (4°C) of warmth, with minimal bulk
  • Stretch-knit fabric and articulated arm openings ensure unrestricted mobility and provide natural comfort throughout your sleep
  • Stretch fabric fits any shape of sleeping bag
  • Ergonomic design with a fitted hood delivers optimal warmth and comfort without extra weight or bulk
  • Snap connectors at the shoulders easily integrate with Sea to Summit sleeping bags (not included) for quick, hassle-free entry and exit
  • Treated with HeiQ Fresh odor control is quick-drying and keeps the liner fresh after extended use; this helps prolong your sleeping bag's lifespan by reducing wash frequency
  • Machine washable construction simplifies care and reduces wear on your sleeping bag over time
  • Crafted with certified recycled fibers to minimize environmental impact

Imported.

View all Sea to Summit Sleeping Bag Liners

Technical Specs

Best Use

Backpacking

Sleeping Bag Shape

Mummy

Added Warmth (F)

Up to 5 degrees

Added Warmth (C)

4 degrees

Stuff Sack Size

7.1 x 3.9 x 3.9 inches

Material(s)

Liner: 100% postconsumer recycled polyester; stuff sack: 100% polyester

Dimensions

Regular: 76 x 31.5 inches

Long: 78 x 31.5 inches

Weight

Regular: 9 ounces

Long: 9.2 ounces

Sustainability

Contains recycled materials

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