Sea to Summit

Reactor Extreme Liner (adds up to 15°C)

Sale price€82.99
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Introducing the Reactor Extreme Liner by Sea To Summit, the ultimate companion for extreme outdoor adventures. Engineered with cutting-edge technology, this liner adds up to 15°C of extra warmth to your sleeping bag, ensuring a cozy and comfortable night's sleep even in the harshest conditions. Whether you're trekking through snowy peaks or camping in freezing temperatures, the Reactor Extreme Liner is designed to provide unparalleled insulation and heat retention. Upgrade your outdoor gear with this essential accessory and conquer the Great Outdoors with confidence.


  • Adds up to 15°C of extra warmth to your sleeping bag
  • Lightweight and compact design for easy portability
  • Made from premium materials for enhanced durability
  • Excellent heat retention properties for optimal insulation
  • Ergonomic shape with ample room for comfortable movement
  • Easy to clean and maintain
  • Versatile use: can be used on its own or as a liner in a sleeping bag
Material: High-quality synthetic fabric
Weight: 350 grams
Dimensions (unrolled): 210cm x 90cm
Dimensions (packed): 12cm x 18cm
Insulation: 100g/m² Thermolite fabric
Temperature Rating: Adds up to 15°C to the temperature rating of your sleeping bag
Features: Mummy-shaped design, drawcord hood, quarter-length zipper


€5.95 Delivery, Free over €75
Standard Delivery within 1-2 days with An Post priority parcel: €5.95

Delivery Info


Returns Policy
Returns Accepted within 28 days. Exclusions apply.

Returns Info

Fast & Efficient Returns
Quick, Low-cost returns with An Post.

Free Delivery over €75
To all 32 counties in Ireland.

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Sea to Summit

Sea To Summit offer lighter, better performing outdoor & camping gear for every adventure, from high-altitude backpacking expeditions to family car camping. With highly durable options and a lifetime guarantee, they are sure to perform.

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