When the alpine chill bites harder than the forecast predicted, or that early autumn trip turns surprisingly frosty, your sleep system needs a crucial element for adaptable warmth. Enter the Sea to Summit Reactor Plus Sleeping Bag Liner, a meticulously engineered piece of gear designed to elevate your comfort without adding bulk.  Beyond temperature control, this liner acts as a lightweight guardian, meticulously shielding your main bag from grime and wear, significantly extending its trail life. Its intelligent mummy shape, complete with a generous box foot, moves fluidly with you through the night thanks to the stretchy knit, preventing any feeling of restriction as you shift. 
PRODUCT CONDITION
 
This UnNew Sea to Summit Reactor Plus Sleeping Bag Liner is in Excellent condition. 
 
Products in Excellent condition have seen minimal use and wear. Any imperfections are purely cosmetic and do not affect the intended performance of the product.   



TECH SPECS

• Brand: Sea to Summit
• 100% polyester
• Thermolite fabric
• Add a little extra warm to your sleeping bag
• Lightweight
• Comes in stuff sack
• Drawcord cinch for comfortable fit
• Liner Shape: Mummy
• Soft and stretchy material