# X-BIONIC Radiactor 4.0 Brown Female Long Underpants made of Elastane, Polypropylene and Polyester

**URL:** https://aio.lv/en/product--no-name-472292--12712951
**Data updated:** 2026-10-11 04:27 (EEST)
**Category:** Tracksuits
**Manufacturer:** No name
**Manufacturer code:** 472292
**EAN:** 7613418020732
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 218.99 €
**Prices and availability valid until:** 2026-12-02 23:59
**Price without VAT (21%):** 180.98 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--no-name-472292--12712951

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.11.2026 | free |
| Pickup points | 13.11.2026 | 1.99 EUR |
| Courier delivery to door | 13.11.2026 | 4.99 EUR |

## Summary description

Experience optimal comfort with the X-BIONIC Radiactor 4.0 female long underpants in brown. Crafted from a high-performance blend of 5% elastane, 32% polypropylene, and 63% polyester, this thermal base layer is designed for active sports and outdoor activities. It provides advanced thermoregulation, moisture management, and a snug fit, making it an essential piece of technical apparel for cold weather training and everyday use.

## Long description

Experience optimal comfort and advanced thermal performance with the X-BIONIC Radiactor 4.0 Brown Female Long Underpants. Crafted from a technical blend of 5% elastane, 32% polypropylene, and 63% polyester, this high-performance thermal base layer is engineered specifically for active sports and outdoor activities in cold weather. Featuring innovative Retina® ultra-high-definition technology and the patented 3D Bionic Sphere® system with ThermoSyphon® technology, these long underpants deliver superior moisture management and adaptive thermoregulation to keep you dry, warm, and performing at your best during intense physical exertion.
Advantages
The X-BIONIC Radiactor 4.0 long underpants utilize cutting-edge manufacturing processes to provide exceptional benefits for female athletes and outdoor enthusiasts. The Retina® ultra-high-definition technology ensures precise body zoning and ultra-dense functional transmission without adding unnecessary bulk. The award-winning 3D Bionic Sphere® system with ThermoSyphon® technology works dynamically by cooling you when you sweat and warming you when you are cold. Additionally, the ergonomically optimized IDEO-Waistband with a higher cut in the back guarantees a secure fit that stays in place during continuous movement, while the lightweight, quick-drying fabric enhances overall comfort and endurance in extreme conditions.
Suitable for
Winter sports such as skiing and snowboarding
Cold weather running and outdoor training
Mountaineering, hiking, and trekking in low temperatures
High-intensity endurance activities during winter
When it may not be suitable
These technical long underpants may not be suitable for warm indoor environments or hot weather conditions where advanced thermal insulation and active heat retention are not required. Individuals seeking casual, loose-fitting loungewear rather than a snug, compression-fit technical base layer may also find this athletic apparel less appropriate for their everyday needs.
Key specifications
Gender: Female
Product type: Long underpants
Main colour: Brown
Material composition: 63% Polyester, 32% Polypropylene, 5% Elastane
Technologies: Retina® ultra-high-definition, 3D Bionic Sphere® with ThermoSyphon®
How to use
Wear these long underpants directly against your skin as the first layer of your clothing system during cold weather activities. Step into the garment and pull it up, ensuring the ergonomically optimized waistband is positioned correctly, with the higher cut at the back for optimal coverage. Adjust the fabric smoothly along your legs so that the precision-engineered functional zones align correctly with your muscle groups and joints for maximum therapeutic and thermoregulating benefits.
What to consider before purchase
Verify your correct size to ensure the intended snug, performance-enhancing fit
Check the intended activity level to confirm the need for high-performance cold-weather thermal regulation
Review the care instructions to maintain the specialized technical fabric and high-tech fibers
For best results and longevity of your X-BIONIC Radiactor 4.0 long underpants, wash them according to the manufacturer care instructions using mild detergents without fabric softeners, and line dry them to preserve the elasticity and advanced functional properties of the technical fibers.

## Specifications

| Feature | Value |
|---|---|
| Material | Elastane, Polyester |
| Gender | Female |
| Best uses | Snow sport, Sport |
| Fit type | Body fit |
| Coloration | Monochromatic |
| Temperature control | Yes |
| Occasion | Active / Workout |
| Underpants type | Long underpants |
| Material description (name, %) | Elastane (5%), Polypropylene (32%), Polyester (63%) |
| Product main colour | Brown |
| Size (S/M/L) | M |

## FAQ

### How much does the X-BIONIC Radiactor 4.0 Underpants cost, and is it available for purchase?

The price is 218.99 € (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 10.11.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can X-BIONIC Radiactor 4.0 Underpants be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 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

https://aio.lv/img/cache/product/12712951/70481685_large.webp