---
title: "Sea To Summit Reactor Fleeceweight Liner"
name: "Sea To Summit Reactor Fleeceweight Liner"
brand: "Sea To Summit"
description: "The Sea to Summit Reactor Fleeceweight liner boosts your sleeping bag's thermal comfort by up to 8°C (14°F)."
handle: "sea-to-summit-reactor-fleeceweight-liner"
sku: "53401"
ean: "9327868169733"
gtin: "9327868169733"
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md_url: "/p/sea-to-summit-reactor-fleeceweight-liner.md"
locale: "en"
market: "eu"
currency: "EUR"
price: 80.3
price_formatted: "€80.30"
availability: "OutOfStock"
item_condition: "NewCondition"
category: "Sleeping bag liners"
category_path: "/c/spani/sleeping-bag-liners"
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  - name: "Sea To Summit Reactor Fleeceweight Liner"
    url: "/p/sea-to-summit-reactor-fleeceweight-liner"
last_updated: "2026-07-08"
---

# Sea To Summit Reactor Fleeceweight Liner

Brand: Sea To Summit · Category: [Sleeping bag liners](/c/spani/sleeping-bag-liners.md)
Liner size: Long, Regular, Short · Material: Thermolite All-Season EcoMade · Material composition: Polyester

## Offer

- Price: €80.30
- Availability: Out of stock
- Condition: New
- Buy on the website: [HTML product page](/p/sea-to-summit-reactor-fleeceweight-liner)

## Description

The Sea to Summit Reactor Fleeceweight liner boosts your sleeping bag's thermal comfort by up to 8°C (14°F). It's stretchy, soft to the touch, and has clever hand openings so it won't restrict your movement at night. The liner also protects your sleeping bag from sweat and dirt, extending its lifespan. Made from a combination of hollow Thermolite® fibers and warm grid fleece material.

## Specs

- Color: Red
- Liner size: Long, Regular, Short
- Material: Thermolite All-Season EcoMade
- Material composition: Polyester
- Packed dimensions: Ø 15 x 25 cm
- Weight: 365 g
- Brand: Sea To Summit

## Variants

- Sea To Summit Reactor Fleeceweight Liner - Short · SKU 53401 · EAN 9327868169733 · €80.30 · Out of stock · Short, Red
- Sea To Summit Reactor Fleeceweight Liner - Regular · SKU 53402 · EAN 9327868169726 · €80.30 · Out of stock · Regular, Red
- Sea To Summit Reactor Fleeceweight Liner - Long · SKU 53403 · EAN 9327868169719 · €84.50 · Out of stock · Long, Red

## Related

- [Sea To Summit Breeze Liner Mummy](/p/sea-to-summit-breeze-liner-mummy.md)
- [Sea To Summit Spark II](/p/sea-to-summit-spark-ii.md)
- [Sea To Summit Silk Blend Liner Mummy](/p/sea-to-summit-silk-blend-liner-mummy.md)
- [Sea To Summit Spark III](/p/sea-to-summit-spark-iii.md)
- [Sea To Summit Reactor Liner Mummy](/p/sea-to-summit-reactor-liner-mummy.md)
- [Sea To Summit Aeros Premium Pillow (2026)](/p/sea-to-summit-aeros-premium-pillow-2026.md)
- [Sea To Summit Reactor Fleece Liner Mummy](/p/sea-to-summit-reactor-fleece-liner-mummy.md)
- [Sea To Summit Aeros Ultralight Pillow (2026)](/p/sea-to-summit-aeros-ultralight-pillow-2026.md)

## Shipping and returns

- [Shipping and payment](/docs/doprava-a-platba.md)
- [Returns](/docs/vymena-vraceni.md)

## Images

- ![Sea To Summit Reactor Fleeceweight Liner](https://media.gramino.com/medusa/STS-Reactor-Fleeceweight-Liner-1-01KX1BRGSNTWYC97WD2D8PAY63.jpg)
- ![Sea To Summit Reactor Fleeceweight Liner](https://media.gramino.com/medusa/STS-Reactor-Fleeceweight-Liner-2-01KX1BRH4C3N6R08PN1A0ZAGG4.jpg)
- ![Sea To Summit Reactor Fleeceweight Liner](https://media.gramino.com/medusa/STS-Reactor-Fleeceweight-Liner-3-01KX1BRHE65EW281NBVPVBRJM7.jpg)
- ![Sea To Summit Reactor Fleeceweight Liner](https://media.gramino.com/medusa/STS-Reactor-Fleeceweight-Liner-4-01KX1BRHSN2EQ073NNFBARMNQW.jpg)
- ![Sea To Summit Reactor Fleeceweight Liner](https://media.gramino.com/medusa/STS-Reactor-Fleeceweight-Liner-5-01KX1BRJ5YZJJTHNZS7XXBYW5G.jpg)
- ![Sea To Summit Reactor Fleeceweight Liner](https://media.gramino.com/medusa/STS-Reactor-Fleeceweight-Liner-6-01KX1BRJF7C76DDRNME1MCBMJ0.jpg)

## Identifiers

- SKU: 53401
- EAN: 9327868169733
- Handle: sea-to-summit-reactor-fleeceweight-liner
- Brand: Sea To Summit

This product is also available as [HTML](/p/sea-to-summit-reactor-fleeceweight-liner).

Category: [Sleeping bag liners](/c/spani/sleeping-bag-liners.md) · [Sitemap](/sitemap.md)

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