Reactor Lightweight Sleeping Bag Liner

The ultralight upgrade to any sleep system, the Sea to Summit Reactor Lightweight Sleeping Bag Liner uses Thermolite® Pro fabric with infrared-absorbing ceramic pigments and hollow-core fibres to add up to 4°C of warmth with minimal pack impact. Stretch-knit construction and articulated arm openings ensure unrestricted movement throughout the night, and a fitted hood delivers targeted warmth without bulk. HeiQ Fresh odour control, quick-drying performance, and machine washability make it easy to keep clean — and reduce how often your sleeping bag needs a wash.

Reactor ightweight Sleeping Bag Liner Features

• Thermolite® Pro fabric adds up to 4°C of warmth with minimal weight and bulk
  
• Stretch-knit construction and articulated arm openings for unrestricted, comfortable sleep
  
• Fitted hood for targeted warmth without added weight
  
• Stretch fabric fits any shape of sleeping bag
  
• Snap connectors at the shoulders pair seamlessly with Sea to Summit sleeping bags
  
• HeiQ Fresh odour control for extended freshness between washes
  
• Quick-drying and machine washable for easy, low-maintenance care
  
• Extends sleeping bag lifespan by reducing wash frequency

TECH SPECS

• Weight: 255g
• Dimensions: 193 x 80 cm
• Packed size: 18 x 10 x 10 cm
• Recommended user height: 185 cm