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Lifeventure Coolmax Liner-Rectangular sleeping bag

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Features of Lifeventure Coolmax Liner-Rectangular

Product description of Lifeventure Coolmax Liner-Rectangular sleeping bag

Description summary

Enhance your sleep on the go with the LIFEVENTURE Coolmax Rectangular Sleeping Bag Liner. Ideal for warm climates, backpacking, or hostel stays, this liner ensures comfort and hygiene. Its breathable Coolmax fabric wicks moisture, keeping you cool and dry. The soft, stretchy, rectangular design offers freedom of movement, complemented by an integrated pillow sleeve. Polygiene® odour control technology keeps it fresher for longer, reducing washes on extended trips. Use it solo in hot weather or as an extra layer in your sleeping bag. Lightweight and packable in its ripstop carry case, it´s the perfect companion for adult adventurers seeking a refreshing night´s sleep

LIFEVENTURE Coolmax Liner-Rectangular sleeping bag

Experience a new level of comfort and hygiene on your travels with the LIFEVENTURE Coolmax Rectangular Sleeping Bag Liner. Engineered for the adult adventurer, this liner is the ultimate accessory for anyone seeking a restful night´s sleep in warm conditions, whether you´re summer camping, backpacking through tropical climates, or staying in hostels. Its intelligent design is perfectly suited for both men and women who value performance and comfort.

The core benefit of this sleeping bag liner lies in its exceptional temperature regulation. Designed specifically for warm environments and for active sleepers who tend to move during the night, the advanced fabric works tirelessly to manage your body climate. It expertly wicks moisture away from your skin, allowing it to evaporate quickly. This process keeps you feeling cool, dry, and comfortable, preventing the clammy, sticky feeling that can disrupt sleep on humid nights. The result is a more stable and pleasant sleeping environment, allowing for deeper, more restorative rest.

Freedom of movement is paramount for a comfortable night. The soft and wonderfully stretchy construction of this liner moves with you, not against you. The generous rectangular shape provides ample room to turn, stretch, and find your perfect sleeping position without feeling constricted. This makes it an ideal choice for sleepers who dislike the confined nature of traditional mummy-style bags and liners. Furthermore, an integrated pillow sleeve enhances comfort by keeping your pillow securely in place throughout the night.

For the long-haul traveller, hygiene is a key concern. The LIFEVENTURE Coolmax Liner features innovative Polygiene® odour control technology. This treatment actively inhibits the growth of odour-causing bacteria, meaning your liner stays fresher for significantly longer between washes. This is a game-changing feature for multi-day treks or extended trips where laundry facilities are few and far between, ensuring you can slip into a fresh-feeling bed every evening. This versatile liner can be used as a standalone sleeping solution in hot weather or placed inside your main sleeping bag to add a layer of hygienic comfort and slightly boost its thermal performance. It comes complete with a tough, compact ripstop carry case for easy packing and protection.

Attributes: Adult, Insulated synthetic, Men, Women

Coolmax Sleeping Bag Liner.

Description.

Designed for warm conditions and active sleepers, the Coolmax Sleeping Bag Liner is made from a lightweight, highly breathable fabric that helps regulate body temperature through the night.

Soft and stretchy construction allows for natural movement, making it ideal for summer camping, travel and hostel stays.

An integrated pillow sleeve adds comfort, while Polygiene odour control technology helps keep the liner fresher for longer.

It can be used on its own or inside a sleeping bag and supplied with a tough ripstop carry case.

Features.

Lightweight & highly breathable fabric.

Soft & stretchy.

Integrated pillow sleeve.

Use on its own in warmer climates.

Helps regulate body temperature.

Polygiene® odour control technology.

Supplied with a tough ripstop carry case.

Technical details.

Weight:

296g.

Dimensions packed:

20x9 x 5cm.

Dimensions unpacked (Mummy):

220x56-85cm.

Dimensions unpacked (Rectangular):

220x85cm

Technical specifications of Lifeventure Coolmax Liner-Rectangular

  • Total weight

    296g

  • Packed size

    20x9 x 5cm

  • Color

    Blue

  • Gender

    Men

  • Gender

    Women

  • Age

    Adult

  • Insulation

    Insulated synthetic

Features of Lifeventure Coolmax Liner-Rectangular

Color Blue

Color

Blue

Gender Men

Gender

Men

Women

Women

Age Adult

Age

Adult

Insulation Insulated synthetic

Insulation

Insulated synthetic

Key differentiators

Features Polygiene® odour control technology to stay fresher for longer on extended trips.

Includes an integrated pillow sleeve for enhanced comfort and convenience.

Lightweight at 296g and includes a tough ripstop carry case for easy packing.

Made with Coolmax fabric to wick moisture and regulate body temperature in warm climates.

Spacious rectangular shape (220cm length) with soft, stretchy construction for freedom of movement.

Technology in Lifeventure Coolmax Liner-Rectangular sleeping bag

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Lifeventure Coolmax Liner-Rectangular sleeping bag

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Include AI Generated questions and answers

2026-07-28

Generated by AI and verified

Lifeventure Coolmax Liner-Rectangular sleeping bag

What makes this sleeping bag liner suitable for travel?

Answer of Generated by AI and verified

This Lifeventure liner is designed for travel with its lightweight and packable nature. It comes with a ripstop carry case and has a compressed volume of 1.8 liters, making it easy to pack. Additionally, it features Polygiene® odour control technology to stay fresher for longer between washes, which is ideal for extended trips.

* Generated by AI based on customer and product data

2026-07-28

Generated by AI and verified

Lifeventure Coolmax Liner-Rectangular sleeping bag

What material is the Lifeventure Coolmax liner made from?

Answer of Generated by AI and verified

This sleeping bag liner is made from breathable Coolmax fabric, which is designed to wick moisture away from your skin to keep you cool and dry. The lining material is polyester.

* Generated by AI based on customer and product data

2026-07-28

Generated by AI and verified

Lifeventure Coolmax Liner-Rectangular sleeping bag

Does this sleeping bag liner come with a storage bag?

Answer of Generated by AI and verified

Yes, this liner includes a compression sack. It packs down into a ripstop carry case for convenient storage and transport.

* Generated by AI based on customer and product data

2026-07-28

Generated by AI and verified

Lifeventure Coolmax Liner-Rectangular sleeping bag

Can I use this liner by itself without a sleeping bag?

Answer of Generated by AI and verified

Absolutely. This liner is ideal for use on its own in warm climates or during summer camping. The Coolmax fabric helps regulate temperature by wicking moisture, keeping you comfortable on hot and humid nights. You can also use it as an extra layer inside your sleeping bag for added warmth and hygiene in cooler conditions.

* Generated by AI based on customer and product data

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Use cases

Warm-Weather Camping & Backpacking 100% Fit

Used as a standalone sleeping bag in warm climates, this liner offers a comfortable night's sleep. Its lightweight design and small packed size make it a great choice for summer backpacking trips where minimizing weight and bulk is essential.

Coolmax fabric,Summer season rating,Total weight of 296g,Rectangular shape

Hostel & Budget Travel 100% Fit

This liner provides a personal, clean sleeping layer when staying in hostels or other budget accommodations. The Polygiene odour control technology helps it stay fresh between washes, making it a reliable travel companion.

Polygiene odour control technology,Coolmax fabric,Lightweight (296g),Compact packed size (20x9 x 5cm)

Boosting Sleeping Bag Performance 80% Fit

As a liner inside a primary sleeping bag, it adds a layer of insulation and significantly improves hygiene. The Coolmax fabric helps manage moisture, keeping you more comfortable, and it keeps your main sleeping bag cleaner for longer.

Coolmax fabric,Rectangular shape,Insulated synthetic fill_material

Overnight Stays & Couch Surfing 80% Fit

For impromptu overnight stays at a friend's house or while couch surfing, this liner offers a comfortable and hygienic personal bedding solution. It's easy to pack and carry, thanks to its included ripstop carry case.

Ripstop carry case included,Packed size of 20x9 x 5cm,Integrated pillow sleeve

Best for

Best for Versatile Summer Camping

This liner is ideal for warm-weather trips or as an extra layer, offering solid performance with its lightweight, packable design and Coolmax fabric.

Ideal for Family Travel Comfort

With its rectangular shape, integrated pillow sleeve, and Polygiene odour control, this liner provides a comfortable and hygienic sleep solution for family trips.

A Reliable Upgrade for Regular Campers

For those seeking a reliable upgrade, this liner's Coolmax fabric and Polygiene technology offer enhanced comfort and hygiene over basic options.

Benefits

FunctionalEnjoy a More Comfortable and Spacious Sleep

The rectangular shape provides ample room to move, avoiding the restrictive feel of mummy-style bags. An integrated pillow sleeve adds a touch of convenience, allowing you to secure a pillow for enhanced comfort throughout the night.

FunctionalStays Fresher for Longer with Odour Control

Featuring Polygiene odour control technology, this liner helps to keep your sleeping bag fresh and reduce the need for frequent washing. This is particularly beneficial on multi-day trips, ensuring a more pleasant sleeping environment each night.

Ideal buyer profiles

The Casual Camper

This individual enjoys occasional camping trips in mild weather, often staying at established campsites. They value comfort, hygiene, and convenience, seeking gear that is easy to use and maintain without requiring specialized knowledge.

This liner enhances sleeping bag comfort and is simple to wash, thanks to its Coolmax fabric and Polygiene odour control. Its rectangular shape offers ample room, making it a straightforward upgrade for summer camping.

The Family Adventurer

This person plans and participates in outdoor activities with their family, from car camping weekends to staying in hostels while traveling. They prioritize versatile, durable, and easy-to-clean gear that can be used by different family members.

The liner's unisex design and generous 220cm length suit various family members. It's lightweight (296g), packs into a small ripstop case, and features Polygiene technology, making it a practical, hygienic solution for family trips.

The Warm-Weather Traveler

This traveler explores warmer climates, often staying in hostels, guesthouses, or basic accommodations where bedding might be questionable. They need a lightweight, compact, and hygienic sleeping solution that won't add bulk to their luggage.

Made with moisture-wicking Coolmax fabric and featuring Polygiene odour control, this liner is ideal for warm environments. It weighs only 296g and packs down small, providing a clean, personal sleeping space without sacrificing luggage room.

Competitive features

When selecting a sleeping bag liner, key considerations include the material, shape, and intended use. The Lifeventure Coolmax Liner-rectangular Sleeping Bag is designed for warm-weather travel, focusing on moisture management and hygiene. It competes with other liners from Lifeventure and Sea To Summit, which offer different materials like silk, fleece, and Thermolite, as well as different shapes such as mummy-style for varied needs.

Where it excels

The Coolmax fabric is specifically engineered to wick moisture away from the body, making this liner an excellent choice for staying cool and dry in hot, humid climates. Featuring Polygiene® odour control technology, this liner stays fresher for longer between washes, a significant advantage for extended backpacking or hostel trips where laundry facilities are scarce. Its rectangular shape provides more room to move compared to mummy-style liners, offering greater comfort for those who don't like a restrictive feel while sleeping.

Consider alternatives if...

For colder conditions where added warmth is the primary goal, a fleece liner like the Sea To Summit Reactor or a Thermolite liner from Lifeventure would be a more suitable choice. Travelers prioritizing the absolute minimum pack size and weight might prefer a silk liner, such as the Lifeventure Silk Liner, which typically offers a more compact and lightweight option than Coolmax.

Verdict

The Lifeventure Coolmax Liner-rectangular Sleeping Bag is a specialized piece of gear that excels in its intended environment. It's an ideal solution for maintaining comfort and hygiene in warm and humid conditions, whether used alone or inside a sleeping bag. While it doesn't provide significant insulation, its moisture-wicking and anti-odor properties, combined with a roomy design, make it a top contender for summer travel, backpacking in tropical regions, and hostel stays.

Specs comparison

MaterialCoolmax fabricCoolmax fabric100% cottonSilksilk blendlightweight, durable fabric
Insulation TypeInsulated syntheticInsulated syntheticInsulated syntheticSilkInsulated synthetic compatibleInsulated synthetic
Packed Size20x9 x 5cm20x9 x 5cm21 x 10 x 8cm210 x 100 x 80mm160x80 x 60mm22 x 12 x 6cm
Season RatingSummerSummer---shoulder-season
Fill MaterialSyntheticInsulated syntheticCottonSyntheticSyntheticSynthetic
Compressed Volume1.8 liters1.8 liters4.2 liters1.680.576 liters1.58 liters
Shape Of Sleeping BagRectangularMummyRectangularRectangularRectangularRectangular
Total Weight296g296g433g167g118g430g
UserAdultAdult, Men, WomenadultAdultadultadult
Body Length220cm220cm220 cm220 cm-220 cm

Specs vs competitors

MaterialCoolmax fabric-Polyester
Insulation TypeInsulated syntheticInsulated syntheticPolyester
Packed Size20x9 x 5cmSmall, Convenient Stuff Sack-
Season RatingSummer-3-Season
Fill MaterialSyntheticSyntheticSynthetic
Shape Of Sleeping BagRectangularMummyMummy
Total Weight296gLightweight430 g
UserAdultAdult, Men, Womenadult
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