# Sleeping bag liner LIFEVENTURE Ultimate Mummy — cotton single-person liner

**URL:** https://aio.lv/en/product--lifeventure-lm65555--12392235
**Data updated:** 2026-04-26 22:19 (EEST)
**Category:** Sleeping Bags
**Manufacturer:** LIFEVENTURE
**Manufacturer code:** LM65555
**EAN:** 5031863655552
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 62.49 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 51.64 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lifeventure-lm65555--12392235

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

LIFEVENTURE Ultimate Mummy is a cotton sleeping bag liner designed for use inside mummy-style sleeping bags to improve hygiene, add warmth and simplify cleaning. Made of breathable cotton, it offers a soft inner layer for camping, hostels or travel; suitable for temperate conditions and for extending the life of your sleeping bag.

## Long description

The LIFEVENTURE Ultimate Mummy cotton sleeping bag liner is a single-person, mummy-shaped inner sheet designed to be used inside mummy-style sleeping bags. Constructed from breathable cotton, it provides a hygienic layer between the sleeper and the sleeping bag, adds modest extra insulation and creates a softer sleeping surface for camping, hostels, travel and outdoor use in temperate conditions.
Advantages
The breathable cotton fabric offers a comfortable, natural feel against the skin and helps wick light moisture away, improving sleeping comfort compared with bare sleeping bag interiors. As a removable liner it simplifies cleaning—wash the liner instead of the whole sleeping bag—helping to maintain hygiene and prolong the useful life of the main sleeping bag. Its mummy shape follows the contours of mummy-style bags for a close fit that preserves the bag’s thermal performance while contributing small additional warmth.
Suitable for
Camping trips in temperate weather where a lightweight, washable liner is desired
Hostel or shared accommodation to maintain personal hygiene and a familiar sleeping surface
Travel and backpacking where reducing wash frequency of the main sleeping bag is useful
People who prefer natural cotton fabric and a soft inner layer inside a mummy sleeping bag
When it may not be suitable
The cotton liner adds only modest insulation and is not intended to replace a rated sleeping bag for cold conditions; it should not be relied on as the primary source of warmth in low-temperature environments. For very wet, humid or extreme-cold use, synthetic or insulated liners and dedicated cold-weather sleeping bags are more appropriate.
Key specifications
Shape: mummy (single-person)
Material: breathable cotton
Intended use: inner sleeping bag liner for added hygiene and slight insulation
Suitable environments: temperate conditions, travel, hostels, camping
How to use
Insert the LIFEVENTURE Ultimate Mummy liner into a compatible mummy-style sleeping bag with the wider opening aligned at the head end and the tapering section matched to the foot of the bag. Lie inside the liner as you would in the sleeping bag; the liner may be used alone in mild conditions or inside the sleeping bag for added hygiene and warmth. Follow the manufacturer’s care instructions for washing the cotton liner—remove it from the bag and launder separately to keep the main sleeping bag cleaner and reduce drying time.
What to consider before purchase
Confirm the liner shape (mummy) matches your sleeping bag design and size
Consider the expected temperature range—cotton provides limited insulation
Check washing and care requirements for cotton fabric to ensure compatibility with your routine
Assess whether you need a lightweight hygiene liner or a warmer, insulated option
Usage recommendations
Use the liner inside your mummy sleeping bag for regular trips to reduce washing of the main bag. In milder weather the liner can be used alone; in cooler nights pair it with your rated sleeping bag to retain thermal performance. Air the liner after use and wash according to the care label to maintain hygiene and fabric breathability.

## FAQ

### How much does the LIFEVENTURE Ultimate Mummy cotton sleeping bag liner cost, and is it available for purchase?

The price is 62.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 15.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All LIFEVENTURE products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized LIFEVENTURE service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty