# Thermal Shirt Lahti Pro 5023605 long-sleeve base layer, 35% cotton 65% polyester

**URL:** https://aio.lv/en/product--lahti-pro-5023605--10781961
**Data updated:** 2026-03-12 10:09 (EET)
**Category:** Workwear
**Manufacturer:** lahti pro
**Manufacturer code:** 5023605
**EAN:** 5903755023605
**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-5023605--10781961

## 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

Lahti Pro 5023605 is a long-sleeve thermal base layer shirt made of 35% cotton and 65% polyester. Designed to provide warmth and moisture management as an underlayer for workwear or outdoor activities, it fits beneath outer garments to retain heat and wick sweat. Suitable for manual labor, construction, and layered cold-weather use.

## Long description

Long-sleeve Thermal Shirt Lahti Pro 5023605 is a base layer made from a breathable thermal fabric with a mass of 220 g/m². The blend of 35% cotton and 65% polyester provides good air permeability while maintaining durability. A specialised fabric finishing process increases softness without reducing strength, and double-knit construction enhances thermal insulation for cold conditions. The shirt is certified CE Cat. I to EN ISO 13688 and is shown here in size L.
Advantages
The cotton–polyester blend balances comfort and quick-drying performance. The fabric finish gives a softer hand feel while preserving mechanical strength. Double-knit construction improves heat retention, and ribbed cuffs on the sleeves help secure the fit and reduce heat loss at the wrists.
Suitable for
Base layer for cold-weather workwear
Layering under jackets during outdoor activities
Everyday thermal protection in low-temperature environments
Key specifications
Brand: lahti pro
Model: Thermal Shirt Lahti Pro 5023605
Material: 35% cotton, 65% polyester
Fabric weight: 220 g/m²
Sleeves: long-sleeve with ribbed cuffs
Certification: CE Cat. I, EN ISO 13688
Available size shown: L
MPN: 5023605, EAN: 5903755023605
How to use
Wear the shirt as the first (base) layer directly against the skin or over a light undershirt. Combine with mid and outer layers as required by ambient temperature and activity level. Use ribbed cuffs to secure sleeve position and maintain thermal continuity at the wrists.
Usage recommendations
Wash according to garment care instructions to preserve the fabric finish and thermal properties; avoid high-temperature drying that can reduce fabric performance.

## FAQ

### How much does the Thermal Shirt Lahti Pro 5023605 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 — 14 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/10781961/60031647_large.webp