# Men's Thermoactive T-Shirt 4F M165 Red S/M

**URL:** https://aio.lv/en/product--oem-146089-sm--11236554
**Data updated:** 2026-08-12 04:28 (EEST)
**Category:** T-shirts
**Manufacturer:** OEM
**Manufacturer code:** 146089 S/M
**EAN:** 5905700207863
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 36.99 €
**Prices and availability valid until:** 2026-11-13 23:59
**Price without VAT (21%):** 30.57 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--oem-146089-sm--11236554

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.10.2026 | free |
| Pickup points | 28.10.2026 | 1.99 EUR |
| Courier delivery to door | 28.10.2026 | 4.99 EUR |

## Summary description

Men's thermoactive T-shirt by 4F, model M165 in red color, size S/M. Designed for active sports and outdoor training, this functional base layer helps regulate body temperature and wicks moisture away efficiently. Ideal for running, fitness, gym workouts, or as a warm layer during cooler weather, offering maximum comfort and freedom of movement.

## Long description

The Men's Thermoactive T-Shirt 4F M165 Red S/M is a high-performance functional base layer designed to support your active lifestyle. Created by the renowned brand 4F, this red thermoactive shirt is engineered to help regulate body temperature and effectively manage moisture during physical activities. Whether you are hitting the gym, going for an outdoor run, or participating in intense training sessions, this garment provides reliable support and comfort.
Advantages
This thermoactive T-shirt excels at wicking moisture away from the skin, ensuring you stay dry and comfortable even during strenuous workouts. Its intelligent temperature regulation properties help keep your body cool when training intensifies and warm when outdoor temperatures drop. The lightweight and flexible construction allows for unrestricted freedom of movement, making it an exceptional choice for dynamic sports. As a reliable base layer, it integrates seamlessly into your athletic wardrobe year-round.
Suitable for
Running and jogging outdoors
Fitness and gym workouts
General sports and athletic training
Layering under outdoor clothing in cooler weather
When it may not be suitable
This garment is designed specifically for active sports and physical training, so it may not be suitable for formal occasions or casual everyday wear where technical athletic properties are unnecessary. Individuals looking for heavy thermal insulation for extreme cold without physical exertion might require a thicker, dedicated winter thermal layer instead.
Key specifications
Men's thermoactive T-shirt
Color: Red
Size: S/M
Designed for active sports and outdoor training
Moisture-wicking and temperature-regulating fabric
How to use
Put the T-shirt on directly against your skin as a base layer before starting your workout or outdoor activity. Ensure a proper fit to maximize moisture-wicking and temperature-regulation benefits. After use, machine wash according to the care label instructions, avoiding fabric softeners to maintain the technical properties of the thermoactive fabric.
What to consider before purchase
Verify that the size S/M matches your personal measurements
Check the intended use against your specific athletic requirements
Review the care instructions to ensure compatibility with your laundry routine
Usage recommendations: Wash the thermoactive T-shirt after every workout to maintain hygiene and fabric performance, and avoid ironing or tumble drying at high temperatures to preserve elasticity and technical fibers.

## FAQ

### How much does the Men's Thermoactive T-Shirt 4F M165 Red S/M cost, and is it available for purchase?

The price is 36.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 9 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 23.10.2026 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 OEM 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 OEM 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/11236554/65909247_large.webp