STS - SEA TO SUMMIT Reactor Sleeping Bag Liner

Enhance your rest with the Sea to Summit Reactor Sleeping Bag Liner, engineered for campers, backpackers, and travelers who demand comfort and warmth in cold or cool conditions. The Reactor Liner uses Thermolite® Pro fabric with infrared-absorbing ceramic pigments and Thermolite® EcoMade fibers, which combine to deliver a superior thermal boost for your sleep system.

The advanced stretch-knit construction ensures optimal comfort and fits snugly inside any sleeping bag. Choose between the classic mummy cut and the mummy with a convenient drawcord footbox. The footbox opening offers excellent ventilation on warm nights and allows you to walk around camp without removing the liner. Shoulder snaps provide easy entry and exit while maintaining warmth retention.

• Thermal Boost: Adds significant warmth to your sleeping bag—useful in cool or cold environments.
• Ultralight & Compact: Weighs just 9.5oz (268g) and packs down to a compact size of 15 x 7 x 11cm (5.9 x 2.8 x 4.3in), making it easy to bring anywhere.
• Premium Comfort: Stretch-knit fabric adapts to your movements and fits most sleeping bags.
• Odor Control: HeiQ Fresh odor control technology keeps the liner fresh after repeated use.
• Versatile Design: The drawcord footbox allows for temperature regulation and easy movement.
• Machine Washable: Easy to clean with regular detergent; avoid fabric softeners to maintain wicking performance.

Ideal for backpacking, camping, or as part of an emergency kit, the Sea to Summit Reactor Sleeping Bag Liner is your key to warmer, more restful nights outdoors.