Maximise warmth on every minimalist adventure, with the Reactor Fleece Sleeping Bag Liner by Sea to Summit.

Sporting a Mummy style with a drawcord footbox, this liner offers both shoulder and base openings for a more temperate comfort; integrated seamlessly with separately available Free-Flow Zip system featured on some separately available Sea to Summit sleeping bags.

Boasting a warm but lightweight grid-pattern fleece construction of knitted, hollow-core Thermolite EcoMade fibres, this liner maximises heat retention for a snug addition to your off-grid sleep system. From the sleeping bag to the basecamp hangouts, its knitted fabric offers superior stretch and the freedom to move within bags of various shapes and makes, while HeiQ odour control technology maintains freshness even following prolonged use.

The Sea to Summit Reactor Fleece Sleeping Bag Liner offers boosted warmth for a better sleep beyond the bedroom.

• Versatile for use with sleeping bags of various shapes
• Provides thermal boost to retain heat
• Thermolite EcoMade knitted, hollow-core fibres in grid-pattern fleece for warmth
• Knitted fabric provides good stretch and free movement
• HeiQ odour control technology for freshness even following extended use
• Mummy fit with drawcord footbox
• Drawcord features base and shoulder openings for comfort and mobility
• Compatible with Free-Flow Zip systems in select Sea to Summit sleeping bags