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10 Best Sleeping Bag Liners UK 2023 | Trespass, Quechua and More

If you're planning on heading out into the wilderness, or visiting a string of hotels and hostels, sleeping bag liners can be a great way to protect your bedding from dirt and avoid any chance of contamination from public bedsheets. They also add an extra layer of insulation in colder weather, and comfort when sleeping on hard ground.


In this article, we go over everything you need to consider, including materials, fit, and the overall size and weight of the liner. Plus, we've compiled a ranking of the 10 best sleeping bag liners currently available from UK retailers such as Amazon and Decathlon, so you can be sure to get the very best experience while you travel!

Last updated 27/01/2023
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Table of Contents

How to Choose Sleeping Bag Liners in the UK

Key Points to Consider
  1. Choose a Suitable Material for the Season and Environment
  2. Ensure the Shape of the Liner Matches the Shape of Your Sleeping Bag
  3. Check the Liner’s Size and Weight
1

Consider the Material: Fleece Liners Are Great for Cold Weather, Cotton Is Breathable and Long-Lasting

Consider the Material: Fleece Liners Are Great for Cold Weather, Cotton Is Breathable and Long-Lasting
When choosing your sleeping bag liner, the material will have a great impact on the overall effect. Whether you're looking for warmth, breathability or a lightweight option that's easy to transport, there's sure to be an ideal material out there for you. 

  • Silk: Breathable, insulating and extraordinarily lightweight, silk is all you can hope for in a sleeping bag liner. The only drawback is that it can be quite expensive compared to other materials. 

  • Cotton: A more economically viable option, cotton is strong and durable. It tends to last longer than most fabrics, surviving multiple washes before showing signs of wear. However, it is a little heavier and will take up more space than silk.

  • Fleece and Microfleece: For the colder weather, a warmer option like fleece or microfleece can add as much as 11°C to your sleeping bag. It's reasonably priced and absorbent, but is one of the bulkiest and heaviest options you can buy.

  • Synthetics: Fabrics such as polyester are moisture-wicking and breathable. For use in humid atmospheres, these fabrics are ideal and the stretch is perfect for manoeuvrability. So if you tend to toss and turn, this will be the best option for you. 

  • Insulated Fabrics: If warmth is your priority, insulated liners will be your best bet. They can range in price depending on the quality of the materials used, but adding an insulated liner to a light spring or summer bag can help you adapt your kit to any weather conditions. 


Cosy up with one of our Best Camping Pillows!

2

Ensure the Shape of the Liner Matches the Shape of Your Sleeping Bag

Ensure the Shape of the Liner Matches the Shape of Your Sleeping Bag
You will need to match up the shape of your liner to your sleeping bag to ensure you don't have any loose fabric or restricted space. Luckily, this is easy enough as sleeping bags and liners come in two shape categories: mummy or rectangular. 

  • Mummy: Designed to protect standard sleeping bags from dirt and body oils, these are usually tapered towards the feet and have a space or a hood at the opposite end. 

  • Rectangular: These can be used in rectangular bags, but are also often used on their own as sheets to line bedding in hotels and hostels, providing a protective layer against contamination. 


Pair your liner perfectly with one of the Best Sleeping Bags in the UK!

3

Check the Weight and Dimensions to Make Sure You Have the Best Fit That Will Be Easy to Transport

Check the Weight and Dimensions to Make Sure You Have the Best Fit That Will Be Easy to Transport

The final consideration is the size and weight of the bag. Checking the measurements is important to ensure a proper fit inside your sleeping bag. If it's too small, you risk losing space inside the bag. If it's too large, you'll end up with excess fabric that can tangle and disrupt sleep. That's why you should always opt for a liner around 1-3 cm smaller than the measurements of your sleeping bag. 


The weight is also a key factor, since you'll be transporting the bag liner along with your other camping gear, often on foot. Choosing a lightweight bag will ensure you have the most comfortable experience while travelling to and from the camp spot. Ideally, your liner should weigh under 350 g, as anything larger will start to feel like a burden. 


Travel light with our Best Lightweight Two-Person Tents!

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10 Best Sleeping Bag Liners in the UK

This ranking has been compiled by the writing team at mybest UK via careful evaluation of the points made in the buying guide and thorough research of each product and comparing multiple verified customer reviews across the EC sites used.
Popularity
Products
Image
Click to purchase
Key features
1

Forclaz

Silk Sleeping Bag Cover

Forclaz Silk Sleeping Bag Cover 1枚目

Super Lightweight Mummy Liner Made of Soft and Breathable Silk

2

Trespass

Slumber Grey Sleeping Bag Liner

Trespass Slumber Grey Sleeping Bag Liner 1枚目

Durable Cotton Polyester Blend That Will Last for Years to Come

3

Quechua

Polyester Sleeping Bag Liner

Quechua Polyester Sleeping Bag Liner 1枚目

Budget-Friendly Line Perfect for Anyone Looking for a Bargain

4

CNOC

Hygienic Microfiber Sleeping Bag Liner

CNOC Hygienic Microfiber Sleeping Bag Liner 1枚目

Compact Liner That Rolls Down to 20 x 10 Centimetres

5

Sea to Summit

Reactor Insulated Sleeping Bag Liner

Sea to Summit  Reactor Insulated Sleeping Bag Liner 1枚目

An Insulated Mummy Liner for Camping in Colder Weather

6

Sea to Summit

Silk Stretch Liner

Sea to Summit  Silk Stretch Liner  1枚目

A 100% Silk Liner With Polyester-Lycra Panels for Flexibility

7

Outry

Travel and Camping Sheet

Outry Travel and Camping Sheet 1枚目

Rectangular Cotton Liner in 3 Different Sizes

8

Forclaz

Trekking Sleeping Bag Liner

Forclaz Trekking Sleeping Bag Liner 1枚目

An 89% Merino Wool Blend to Tackle the Toughest Chills

9

Quechua

Cotton Sleeping Bag Liner

Quechua Cotton Sleeping Bag Liner 1枚目

100% Cotton Liner for Comfort and Airflow

10

Milestone Camping

Fleece Sleeping Bag Liner

Milestone Camping  Fleece Sleeping Bag Liner 1枚目

Warm Fleece Liner That Can Be Used Alone During Spring and Summer

If you don't see the product you're looking for, you can request that it be listed.
No.1

ForclazSilk Sleeping Bag Cover

Silk Sleeping Bag Cover Image 1
Source:decathlon.co.uk
Reference price
£34.99
Reference price
£34.99

Super Lightweight Mummy Liner Made of Soft and Breathable Silk

This white silk liner from Forclaz is designed for the best in comfort and insulation. Although it provides additional warmth against the chill, it's still breathable, so it won't be too intense for warmer weather. 


The lightest on our list, weighing just 110 g, it will be easy to travel with and folds down to a small size. most importantly, it manages to remain reasonably priced, especially considering all of these sought-after features!

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No.2

TrespassSlumber Grey Sleeping Bag Liner

Slumber Grey Sleeping Bag Liner Image 1
Source:amazon.co.uk
Reference price
£13.48
Reference price
£13.48

Durable Cotton Polyester Blend That Will Last for Years to Come

Trespass is a well-respected brand, and their camping and outdoor gear is always top quality. This mummy bag liner is no exception, with its polyester-cotton material providing great insulation and durability. 


It comes in adult and child sizes, and the moisture-wicking fabric will prevent overheating while protecting your back while you sleep. Make sure to store it inside the accompanying travel sac when not in use, for fuss-free transportation. 

No.3

QuechuaPolyester Sleeping Bag Liner

Reference price
£7.99
Reference price
£7.99

Budget-Friendly Line Perfect for Anyone Looking for a Bargain

If you're shopping on a budget, look no further than Quechua's polyester sleeping bag liner. It's the cheapest on our list, without sacrificing quality, and is breathable even in humid conditions


We like that it's relatively lightweight. Better yet, the rectangular shape makes it versatile enough to use in sleeping bags or as a protective liner for bedding when visiting hotels and hostels. 

No.4

CNOCHygienic Microfiber Sleeping Bag Liner

Hygienic Microfiber Sleeping Bag Liner Image 1
Source:amazon.co.uk
Reference price
£19.97
Reference price
£19.97

Compact Liner That Rolls Down to 20 x 10 Centimetres

If you're travelling light, this microfiber liner won't weigh you down! The thin fabric rolls down into a compact 20 x 10 cm tube bag, so it won't take up much space either. 

The material of the liner is soft and breathable, and it will dry much faster than denser fabrics. As well as protecting the sleeping bag, the sewn-in pillow compartment also allows you to protect your camping pillow and avoid annoying slips during the night.

No.5

Sea to Summit Reactor Insulated Sleeping Bag Liner

Reactor Insulated Sleeping Bag Liner Image 1
Source:amazon.co.uk
Reference price
£69.99
Reference price
£69.99

An Insulated Mummy Liner for Camping in Colder Weather

If you're planning on braving the colder weather, this insulated liner will be perfect. That's because the Thermolite hollow-core insulation allows the liner to retain warmth, whilst remaining lightweight 

The insulation is thicker in the foot and torso sections, to combat leading areas of heat loss in the body. In warmer weather, it can even be used as a standalone bag, retaining essential heat, without getting too hot. 

No.6

Sea to Summit Silk Stretch Liner

Silk Stretch Liner  Image 1
Source:amazon.co.uk
Reference price
£52.99
Reference price
£52.99

A 100% Silk Liner With Polyester-Lycra Panels for Flexibility

This liner combines all the benefits of silk with the stretch and flexibility of synthetics, thanks to the polyester-lycra panels along the sides. Plus, the ripstop silk makes it more durable than other silk bags on the market. 

It's relatively expensive, so it won't be ideal if you're shopping on a budget. However, if you're prone to a lot of movement in your sleep, the added room may be worth the investment.

No.7

OutryTravel and Camping Sheet

Travel and Camping Sheet Image 1
Source:amazon.co.uk
Reference price
£17.99
Reference price
£17.99

Rectangular Cotton Liner in 3 Different Sizes

This rectangular liner comes in three different sizes, so you can be certain there's an option to suit your needs. There's a pillow pouch on the bottom sheet too, and a folding section on the top to completely cover the bag or quilt. 

When shopping for a cotton rectangular liner, there are other options on the market that are better value for money. That said, if you need one of a specific size, this will be the most likely to fit your specifications. 

No.8

ForclazTrekking Sleeping Bag Liner

Reference price
£69.99
Reference price
£69.99

An 89% Merino Wool Blend to Tackle the Toughest Chills

This liner is insulated with 89% Merino wool for greater thermal insulation and comfort. An eco-friendlier choice, Forclaz has made a climate promise to harvest only the necessary materials for this liner, with a significantly reduced CO2 impact compared to standard production. 


It's the most expensive on our list, so it won't be ideal for the casual summertime camper. Still, if you're committed to camping out in the toughest of temperatures, you can't get much better than this!

No.9

QuechuaCotton Sleeping Bag Liner

Reference price
£14.99
Reference price
£14.99

100% Cotton Liner for Comfort and Airflow

If you want cotton, this is the best value you'll get. It'll resist wear and tear for a long time, thanks to the durable material, and the rectangular shape is suitable for use alone or inside a sleeping bag. 


It's the heaviest on our list at 490 g, so if you often hike with your gear or travel on foot, you might prefer a lighter option. For occasional trips and travel by car, however, the weight shouldn't be much of an issue. 

No.10

Milestone Camping Fleece Sleeping Bag Liner

Fleece Sleeping Bag Liner Image 1
Source:amazon.co.uk
Reference price
£16.99
Reference price
£16.99

Warm Fleece Liner That Can Be Used Alone During Spring and Summer

Thanks to the black mesh bag, this black fleece liner from Milestone is easy to store and transport. It's ideal for autumn and winter camping thanks to its thermal insulation. 

Unfortunately, the brand has not confirmed the exact weight of the liner, so it may not be suitable if you're packing light. Bearing in mind that fleece is the heaviest fabric option, it certainly won't be compact.

Top 5 Sleeping Bag Liners

No. 1: ForclazSilk Sleeping Bag Cover

No. 2: TrespassSlumber Grey Sleeping Bag Liner

No. 3: QuechuaPolyester Sleeping Bag Liner

No. 4: CNOCHygienic Microfiber Sleeping Bag Liner

No. 5: Sea to Summit Reactor Insulated Sleeping Bag Liner

View Full Ranking
The descriptions of each product are referenced from content available on manufacturer, brand, and e-commerce sites.
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