# Sleeping bag PAJAK Radical 4Z Regular — model Radical 4Z, Regular fit, red

**URL:** https://aio.lv/en/product--no-name-0006796100006629--12257845
**Data updated:** 2026-04-14 22:29 (EEST)
**Category:** Sleeping Bags
**Manufacturer:** No name
**Manufacturer code:** 0006796100006629
**EAN:** 5905669162241
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

PAJAK Radical 4Z Regular sleeping bag, Regular fit in red. A mummy-style sleeping bag designed for outdoor overnight use, offering a fitted shape suitable for one person. Includes standard features of PAJAK Radical series such as hood and insulated construction for retaining warmth. Intended for camping, trekking and alpine bivouac where a compact, form-fitting sleeping system is required.

## Long description

The PAJAK Radical 4Z Regular is a mummy-style sleeping bag in red designed for single-person outdoor use. With a regular fit and an insulated hood, it is engineered to retain body heat efficiently while minimizing bulk and pack size. The Radical 4Z model focuses on a close-fitting shape to reduce empty air space and improve thermal performance during camping, trekking and alpine bivouac scenarios.
Advantages
The sleeping bag's mummy cut and insulated hood provide improved warmth-to-weight ratio compared with rectangular designs, while the slimmer profile reduces the volume required in a backpack. Its construction emphasizes thermal efficiency and ergonomic fit for better heat retention around the shoulders and head. The red outer color aids visibility in camp environments and the design supports fast packing and handling in mountain or trail settings.
Suitable for
 Backpacking and multi-day trekking where compact, lightweight sleep systems are needed
 Alpine bivouac and high-altitude overnight use with emphasis on thermal efficiency
 Car camping when a fitted, heat-retaining sleeping bag is preferred
 Minimalist hikers who prioritize low pack volume and quick setup
When it may not be suitable
This mummy-style, regular fit sleeping bag may feel restrictive to sleepers who prefer more space to move during the night; users who need a roomy rectangular bag for changing clothes or co-sleeping should consider wider cuts. It may not be the best choice for warm-weather-only trips where a very lightweight summer bag or quilt would be more comfortable and compact.
Key specifications
 Shape: mummy-style with tapered footbox for improved thermal efficiency
 Fit: regular single-person fit designed to reduce dead air volume
 Insulation: insulated construction intended to retain body heat (manufacturer series specification)
 Hood: integrated insulated hood to limit heat loss from the head area
 Color: red outer fabric for visibility and identification
 Intended use: camping, trekking, alpine bivouac
How to use
Use the PAJAK Radical 4Z Regular as your primary sleep system for overnight outdoor trips. Before entering the bag, ventilate and orient it so the hood and closures align with your preferred sleeping position. Zip up the bag while leaving a small opening for ventilation if temperatures are mild, or fully secure the hood and draft collar for colder conditions. Store the bag dry and loosely when not in use to preserve insulation loft and compress only into the supplied compression sack for transport.
What to consider before purchase
 Desired warmth range and seasonal suitability compared to your typical trip conditions
 Sleep style and preference for more room versus a close-fitting thermal profile
 Packing volume and weight constraints for your backpacking or alpine routes
 Compatibility with your sleeping pad width and campsite conditions
Usage recommendations
For best thermal performance, combine the sleeping bag with an appropriately insulated sleeping pad and wear a clean base layer or thermal sleepwear. Dry the bag thoroughly after wet conditions, and avoid compressing it long-term to maintain insulation loft and longevity.

## FAQ

### What payment options are available?

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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 No name 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 No name 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

## Image

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