Product Description
An essential component in your sleep system, the Reactor Extreme liner with Thermolite® Pro fabric utilises innovative infra red-absorbing ceramic pigments to give your system the thermal boost needed in colder-weather adventures. The soft, wicking stretch-knit fabric provides unmatched comfort and freedom of movement while still allowing the Reactor Extreme liner to fit any sleeping bag. Additionally, the drawcord footbox offers plenty of ventilation and the versatility of walking around camp while still wearing your liner if needed.
- Thermal boost to retain heat and warmth. As the core of your sleep system the Reactor liner extends the performance of your sleeping bag and sleeping mat in the coldest of conditions
- Thermolite® Pro technology using knitted, hollow-core fibres and infrared-absorbing ceramic pigments to reflect your body's heat back for enhanced warmth and comfort
- Drawcord footbox and shoulder openings can be opened or closed for optimal comfort and integrates perfectly with the footbox of our Free-Flow Zip system in select Sea to Summit sleeping bags
- HeiQ Fresh odour control technology helps keep the liner fresh even after extended use
- Knitted fabric provides incredible stretch and freedom of movement in this mummy-shaped liner and works perfectly with sleeping bags of any shape
- Comes with a storage case
- Materials: Thermolite® Pro & EcoMade Polyester
- Weight: 12.6oz / 342g
- Length: 78in / 198cm
- Width: 31.5in / 80cm (shoulder) 21.6 in / 55cm (foot)
- Packed Size: 5.9 x 3.0 x 4.7in / 15 x 7.5 x 12cm
Availability & Sizing
Product Details
Price History
Historical Data
Last 1 days of price history
| Date | Low Price | High Price | Average Price | Vendors |
|---|---|---|---|---|
| May 8, 2026 | $42.00 | $42.00 | $42.00 | 1 |
Price Statistics
Description
An essential component in your sleep system, the Reactor Extreme liner with Thermolite® Pro fabric utilises innovative infra red-absorbing ceramic pigments to give your system the thermal boost needed in colder-weather adventures. The soft, wicking stretch-knit fabric provides unmatched comfort and freedom of movement while still allowing the Reactor Extreme liner to fit any sleeping bag. Additionally, the drawcord footbox offers plenty of ventilation and the versatility of walking around camp while still wearing your liner if needed. Thermal boost to retain heat and warmth. As the core of your sleep system the Reactor liner extends the performance of your sleeping bag and sleeping mat in the coldest of conditions Thermolite® Pro technology using knitted, hollow-core fibres and infrared-absorbing ceramic pigments to reflect your body's heat back for enhanced warmth and comfort Drawcord footbox and shoulder openings can be opened or closed for optimal comfort and integrates perfectly with the footbox of our Free-Flow Zip system in select Sea to Summit sleeping bags HeiQ Fresh odour control technology helps keep the liner fresh even after extended use Knitted fabric provides incredible stretch and freedom of movement in this mummy-shaped liner and works perfectly with sleeping bags of any shape Comes with a storage case Materials: Thermolite® Pro & EcoMade Polyester Weight: 12.6oz / 342g Length: 78in / 198cm Width: 31.5in / 80cm (shoulder) 21.6 in / 55cm (foot) Packed Size: 5.9 x 3.0 x 4.7in / 15 x 7.5 x 12cm
Additional Info
Vendor Comparison (1 stores)
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| Vendor | Price | Stock | Last Updated | Action |
|---|---|---|---|---|
Sports Basement Best Price | $42.00 | Out of Stock | 5/8/2026 | View Product → |
Available Sizes & Variants (1)
| Variant | Size | Color | Price | Status | Stores | Buy |
|---|---|---|---|---|---|---|
Spicy Orange / One Size | One Size | Spicy Orange | $42.00 $84.95 | Out of Stock | 1 store | — |
