Sea To Summit Reactor Fleece Sleeping Bag Liner｜ Sweatshirts & Knitwear

Add Warmth, Extend Your Season — at a Field-Tested PriceThe Sea to Summit Reactor Fleece Sleeping Bag Liner is a cold-weather sleep upgrade built for campers and backpackers who want to squeeze more warmth out of their existing sleep system. Constructed from Sea to Summit's soft, insulating Reactor fleece, this liner adds meaningful warmth to any sleeping bag while doubling as a standalone blanket in mild conditions. The Regular length fits most standard sleeping bags with a comfortable, non-restrictive fit. This Red colorway brings a bold, classic camp aesthetic to your kit.Size: RegularColor: RedCondition: Gently Used, Shows Light Signs of WearOriginal Retail: $89.95Key Features

Reactor Fleece Construction: Soft, insulating fleece fabric adds up to +15°F of warmth to your sleeping bag rating

Season Extender: Transforms a 3-season bag into a cold-weather system without buying a new bag

Standalone Use: Works as a lightweight blanket or camp layer in mild temperatures

Regular Fit: Sized to fit most standard mummy and rectangular sleeping bags with room to move

Packable Design: Stuff sack included for compact storage in your pack or travel bag
Ideal for backpackers, car campers, and travelers who want to extend the warmth of their sleep system without the cost of a new bag. Buying field-tested gear is a smart, sustainable choice — you get proven performance at a fraction of the cost. A versatile, packable layer that earns its place in any three-season or cold-weather kit.
Brand:Sea to SummitSKU:5328077026132Tags:camp & hike, NOREVIEW, Regular, Sea to Summit, sleep, sleeping bag, Sleeping Bag Liner, USED, USED Gear, warehouseSize:RegularColor:Red