---
product_id: 621873182
title: "Reactor Insulated Sleeping Bag Liner"
brand: "sea to summit"
price: "$172.35"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/621873182-reactor-insulated-sleeping-bag-liner
store_origin: US
region: United States of America
---

# Comfort Fit Odor Control Thermal Efficiency Reactor Insulated Sleeping Bag Liner

**Brand:** sea to summit
**Price:** $172.35
**Availability:** ✅ In Stock

## Summary

> 🌍 Elevate Your Adventure with Comfort and Style!

## Quick Answers

- **What is this?** Reactor Insulated Sleeping Bag Liner by sea to summit
- **How much does it cost?** $172.35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/621873182-reactor-insulated-sleeping-bag-liner)

## Best For

- sea to summit enthusiasts

## Why This Product

- Trusted sea to summit brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Custom Comfort:** Drawcord footbox adapts to your comfort needs.
- • **Hygiene on the Go:** HeiQ Fresh technology keeps your liner fresh, even on long trips.
- • **Lifetime Assurance:** Backed by Sea to Summit's lifetime guarantee for peace of mind.
- • **Stay Warm Anywhere:** Insulated liner enhances warmth in any sleeping bag.
- • **Eco-Friendly Warmth:** Made with Thermolite EcoMade fibers for guilt-free coziness.

## Overview

The Sea to Summit Reactor Insulated Sleeping Bag Liner is designed to enhance warmth and hygiene in any sleeping bag. Made from eco-friendly Thermolite fibers, it features a mummy shape for optimal thermal efficiency, a customizable drawcord footbox, and advanced odor control technology, ensuring a fresh and comfortable experience on all your outdoor adventures.

## Description

Reactor Insulated Sleeping Bag Liner

## Features

- thermolite
- Imported
- Insulated sleeping bag liner adds extra warmth and personal hygiene to any sleeping bag.
- Hollow-core Thermolite EcoMade fibers are used in a grid-pattern fleece for maximum warmth retention
- Drawcord footbox can be opened or closed for optimal comfort and integrates perfectly with the footbox of our Free-Flow Zip system in select Sea to Summit sleeping bags
- HeiQ Fresh odor control technology helps keep the liner fresh even after extended use
- A mummy shape designed for maximum thermal efficiency including shoulder zippers and a footbox drawcord for additional temperature regulation, Sea to Summit Guarantee is offered for the Lifetime of this product

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Package Dimensions L x W x H | 13.46 x 10.98 x 4.84 inches |
| Package Weight | 0.49 Kilograms |
| Item Dimensions  LxWxH | 9.25 x 9.84 x 3.54 inches |
| Item Weight | 451.9 Grams |
| Brand Name | Sea to Summit |
| Country of Origin | China |
| Material | thermolite |
| Manufacturer | Sea to Summit |
| Part Number | ASL031031-191904 |
| Style | Fleece Standard (85 X 31.5) |
| Outer Material | thermolite |
| Fill Material Type | Thermolite |

## Images

![Reactor Insulated Sleeping Bag Liner - Image 1](https://m.media-amazon.com/images/I/51TmLHCmqPL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- Sea to Summit Reactor Insulated Sleeping Bag Liner
- HotHands Hand Warmer Value Pack, 10 Count (Pack of 1)

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**Shop now:** [https://www.desertcart.us/products/621873182-reactor-insulated-sleeping-bag-liner](https://www.desertcart.us/products/621873182-reactor-insulated-sleeping-bag-liner)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-03*