# Long-sleeve thermal base layer shirt Lahti Pro 5023629 — 35% cotton, 65% polyester

**URL:** https://aio.lv/en/product--lahti-pro-5023629--10781960
**Data updated:** 2026-03-12 10:09 (EET)
**Category:** Workwear
**Manufacturer:** lahti pro
**Manufacturer code:** 5023629
**EAN:** 5903755023629
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.49 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 10.32 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lahti-pro-5023629--10781960

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Long-sleeve thermal base layer shirt Lahti Pro 5023629 made of 35% cotton and 65% polyester. Designed as a moisture-managing underlayer for workwear and outdoor activities, it provides basic thermal insulation and comfort next to skin. Suitable for layering under jackets or uniforms during cold conditions and for everyday use in chilly environments.

## Long description

Lahti Pro 5023629 long-sleeve thermal shirt is a base layer made from a breathable thermo fabric weighing 220 g/m². The blend of 35% cotton and 65% polyester delivers good air permeability while the fabric finishing increases softness without compromising durability. A double-knit construction provides enhanced thermal insulation suitable for cold-weather work. This garment is CE category I certified to EN ISO 13688 and is available in size 2XL.
Advantages
The combination of cotton and polyester balances comfort and moisture management, while the thermo fabric and double-knit technique ensure reliable warmth. The special finishing process improves softness and wearability. Long sleeves are finished with cuffs to improve fit and reduce heat loss at the wrists. Certified to EN ISO 13688 for protective clothing basic requirements.
Suitable for
Layering as a base layer under winter workwear
Outdoor manual and construction work in cold conditions
Maintenance and factory work requiring breathable thermal clothing
Key specifications
Brand: lahti pro
Model / MPN: 5023629
Composition: 35% cotton, 65% polyester
Fabric weight: 220 g/m²
Design: long-sleeve thermal shirt, double-knit
Cuffs: sleeve cuffs
Certification: CE Cat. I, EN ISO 13688
Size: 2XL
EAN: 5903755023629
How to use
Wear the Lahti Pro thermal shirt as a first layer directly against the skin to maximise heat retention and moisture transfer. Combine with insulating mid-layers and a protective outer shell when working outdoors in cold or windy conditions. Use the cuffs to secure sleeves and prevent drafts.
Usage recommendations
Follow garment care instructions on the label to preserve fabric performance and certification. Wash at the recommended temperature, avoid strong bleaching agents and high-temperature drying to maintain softness and thermal properties.

## FAQ

### How much does the Lahti Pro 5023629 thermal long-sleeve shirt cost, and is it available for purchase?

The price is 12.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 19 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 02.07.2026 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 lahti pro 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 lahti pro 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/10781960/60031646_large.webp