Sea to Summit Reactor Lightweight Sleeping Bag Liner

Optimized for minimal weight and maximum warmth, the Reactor Lightweight enhances sleep system performance with advanced Thermolite® Pro fabric, which uses infrared-absorbing ceramic pigments and hollow-core fibers to trap body heat. Adding up to 4°C/7°F of warmth with minimal bulk, it's ideal for ultralight expeditions. Stretch-knit fabric and articulated arm openings ensure unrestricted mobility. Treated with HeiQ Fresh odor control, it’s quick-drying, machine washable, and helps prolong your sleeping bag’s lifespan by reducing wash frequency.

• Lightweight and insulative, Thermolite Pro technology with hollow-core fibers and infrared-absorbing pigments enhances warmth with minimal pack size
• Stretch-knit and shaped arm openings allow unrestricted movement
• Ergonomic design with fitted hood delivers optimal warmth and comfort without extra weight or bulk
• Fits any shape sleeping bag
• HeiQ Fresh odor control technology keeps liner fresh after extended use
• Snap connectors at shoulders easily pair with Sea to Summit® sleeping bags for quick, hassle-free entry and exit
• Machine washable
• Crafted with certified recycled fibers and bluesign® approved materials to minimize environmental impact
• Material: Post-consumer recycled polyester
• Stuff sack material: Polyester
• Fits up to: 6' 0"
• Dimensions: 76"L x 31.5"W
• Packed dimensions: 3.9" x 7.1" x 3.9"
• Weight: 9 oz.
• Suggested use: Backpacking, cycle touring, paddle touring