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Sea to Summit Thermolite Reactor Mummy Liner

£46.40 £46.40
10+ in stock
30-day easy return
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The Sea to Summit Thermolite Reactor Mummy Liner is a synthetically insulated sleeping bag liner that adds up to 8°C of warmth in your bag. As a result it's Sea to Summit's best-selling sleeping bag liner. The Reactor is filled with lightweight Thermolite HL-1 insulation which with hollow-core fibres provide a high warmth-to-weight ratio whilst also being moisture-resistant, breathable, and durable. Air Sprung Cell™ also prevent heat loss between your body and the ground.


- Lighter weight, more packable than fleece

- Mummy shape with a box foot

- Drawcord hood with mini cord lock

- Contrasting color along the top edge makes it easier to find the opening

- Packs into its own Ultra-Sil® stuff sack, which is highly durable and water-resistant

**Technical Specifications:**

- Size: 210 x 90 cm

- Suitability: Cool Weather

- Weight: 248 g

- Materials: THERMOLITE® insulation, 30D Ultra-Sil®
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