---
title: "Sea To Summit Reactor Midweight Liner"
name: "Sea To Summit Reactor Midweight Liner"
brand: "Sea To Summit"
description: "The Sea to Summit Reactor Midweight liner boosts your sleeping bag's thermal comfort by up to 6°C (11°F)."
handle: "sea-to-summit-reactor-midweight-liner"
sku: "53302"
ean: "9327868169825"
gtin: "9327868169825"
canonical_url: "https://gramino.com/p/sea-to-summit-reactor-midweight-liner"
html_url: "/p/sea-to-summit-reactor-midweight-liner"
md_url: "/p/sea-to-summit-reactor-midweight-liner.md"
locale: "en"
market: "eu"
currency: "EUR"
price: 63.3
price_formatted: "€63.30"
availability: "OutOfStock"
item_condition: "NewCondition"
category: "Sleeping bag liners"
category_path: "/c/spani/sleeping-bag-liners"
breadcrumbs:
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  - name: "Sea To Summit Reactor Midweight Liner"
    url: "/p/sea-to-summit-reactor-midweight-liner"
last_updated: "2026-07-08"
---

# Sea To Summit Reactor Midweight Liner

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

## Offer

- Price: €63.30
- Availability: Out of stock
- Condition: New
- Buy on the website: [HTML product page](/p/sea-to-summit-reactor-midweight-liner)

## Description

The Sea to Summit Reactor Midweight liner boosts your sleeping bag's thermal comfort by up to 6°C (11°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.

## Specs

- Color: Yellow
- Liner size: Long, Regular, Short
- Material: Thermolite® Pro, Thermolite® EcoMade
- Material composition: Polyester
- Packed dimensions: Ø 11,5 x 19 cm
- Weight: 350 g
- Brand: Sea To Summit

## Variants

- Sea To Summit Reactor Midweight Liner - Regular · SKU 53302 · EAN 9327868169825 · €63.30 · Out of stock · Regular, Yellow
- Sea To Summit Reactor Midweight Liner - Long · SKU 53303 · EAN 9327868169818 · €71.80 · Out of stock · Long, Yellow
- Sea To Summit Reactor Midweight Liner - Short · SKU 53301 · EAN 9327868169832 · €63.30 · Out of stock · Yellow, Short

## Related

- [Big Agnes Alpha Direct Fleece Sleeping Bag Liner](/p/big-agnes-alpha-direct-fleece-sleeping-bag-liner.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 Fleece Liner Mummy](/p/sea-to-summit-reactor-fleece-liner-mummy.md)
- [Warmpeace Viking 600](/p/warmpeace-viking-600.md)
- [Sea To Summit Breeze Liner Mummy](/p/sea-to-summit-breeze-liner-mummy.md)
- [Therm-a-Rest Z Lite](/p/therm-a-rest-z-lite.md)

## Shipping and returns

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

## Images

- ![Sea To Summit Reactor Midweight Liner](https://media.gramino.com/medusa/STS-Reactor-Midweight-Liner-1-01KX1BSWXS8MNPNVZWCFY6V0Y0.jpg)
- ![Sea To Summit Reactor Midweight Liner](https://media.gramino.com/medusa/STS-Reactor-Midweight-Liner-2-01KX1BSX5MPRXBRQYDF9HMHRC5.jpg)
- ![Sea To Summit Reactor Midweight Liner](https://media.gramino.com/medusa/STS-Reactor-Midweight-Liner-3-01KX1BSXF2YYHDVN5N6F0EZMSS.jpg)
- ![Sea To Summit Reactor Midweight Liner](https://media.gramino.com/medusa/STS-Reactor-Midweight-Liner-4-01KX1BSXRDW9MQACDJ2AFWEX74.jpg)
- ![Sea To Summit Reactor Midweight Liner](https://media.gramino.com/medusa/STS-Reactor-Midweight-Liner-5-01KX1BSY4MJSM9EM9H75XNJJ3K.jpg)

## Identifiers

- SKU: 53302
- EAN: 9327868169825
- Handle: sea-to-summit-reactor-midweight-liner
- Brand: Sea To Summit

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

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

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