Sea to Summit Reactor Lightweight Liner Regular

Reactor Lightweight Liner Regular

by Sea to Summit
Current Price
$69.95
0.00% (24h)
All-Time High
N/A
All-Time Low
N/A
Available At
1 Store

Product Description

Optimized for minimal weight and maximum warmth, the Reactor Lightweight enhances sleep system performance with advanced Thermolite® Pro fabric, which uses infrared-absorbing ceramic pigments and hollow-core fibers to trap body heat. Adding up to 4°C|7°F of warmth with minimal bulk, it’s ideal for ultralight expeditions. Stretch-knit fabric and articulated arm openings ensure unrestricted mobility. Treated with HeiQ Fresh odor control, it’s quick-drying, machine washable, and helps prolong your sleeping bag’s lifespan by reducing wash frequency.

  • Lightweight and insulative, Thermolite® Pro technology with hollow-core fibers and infrared-absorbing pigments enhances warmth with minimal pack size
  • 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
  • Fits any sleeping bag - Stretch fabric means the Reactor Liner fits any shape of sleeping bag
  • 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
  • 100% Post-Consumer Recycled Polyester
  • Stuff Sack: 100% Polyester
  • Dimensions: 76.0 x 31.5 in | 193 x 80 cm
  • Packed Size: 3.9 x 7.1 x 3.9 in | 10 x 18 x 10 cm
  • Weight: 9.0oz | 255g

Availability & Sizing

Stock Status
In Stock at 1 store
Available Sizes (1)
Available Colors (1)
1 total variants — 1 in stock

Price History

Average Price
High
Low

Historical Data

Last 1 days of price history

May 8, 2026
1 vendors
Low
$69.95
Avg
$69.95
High
$69.95
Showing 1 of 1 days

Price Statistics

Current Price
$69.95
Average Price (90d)
$69.95
Price Range
$69.95 - $69.95
All-Time HighATH
N/A
All-Time LowATL
N/A
24h Change
0.00%(N/A)
7d Change
0.00%(N/A)
Available At
1 Stores
Last Updated
May 8, 2026

Description

Optimized for minimal weight and maximum warmth, the Reactor Lightweight enhances sleep system performance with advanced Thermolite® Pro fabric, which uses infrared-absorbing ceramic pigments and hollow-core fibers to trap body heat. Adding up to 4°C|7°F of warmth with minimal bulk, it’s ideal for ultralight expeditions. Stretch-knit fabric and articulated arm openings ensure unrestricted mobility. Treated with HeiQ Fresh odor control, it’s quick-drying, machine washable, and helps prolong your sleeping bag’s lifespan by reducing wash frequency. Lightweight and insulative, Thermolite® Pro technology with hollow-core fibers and infrared-absorbing pigments enhances warmth with minimal pack size 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 Fits any sleeping bag - Stretch fabric means the Reactor Liner fits any shape of sleeping bag 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 100% Post-Consumer Recycled Polyester Stuff Sack: 100% Polyester Dimensions: 76.0 x 31.5 in | 193 x 80 cm Packed Size: 3.9 x 7.1 x 3.9 in | 10 x 18 x 10 cm Weight: 9.0oz | 255g

Additional Info

CategoryDdbk02
CurrencyUSD
Product ID57d45beb...

Vendor Comparison (1 stores)

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Sports Basement
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$69.95
✗ Out of Stock
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Available Sizes & Variants (1)

Size:
Color:
VariantSizeColorPriceStatusStoresBuy
Pewter / Regular
RegularPewter
$69.95
In Stock1 storeBuy
Showing 1 of 1 variants