# Thermal Shirt lahti pro 5023599 — long-sleeve base layer, 35% cotton, 65% polyester

**URL:** https://aio.lv/en/product--lahti-pro-5023599--10781963
**Data updated:** 2026-03-12 10:09 (EET)
**Category:** Workwear
**Manufacturer:** lahti pro
**Manufacturer code:** 5023599
**EAN:** 5903755023599
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.49 €
**Prices and availability valid until:** 2026-07-17 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-5023599--10781963

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

lahti pro thermal shirt model 5023599 is a long-sleeve base layer made of 35% cotton and 65% polyester. Designed to provide thermal insulation and moisture management, it suits outdoor work, layering under outerwear, or cold-weather activities. Key features include breathable knit construction, stretch for mobility and a close-fitting cut for efficient heat retention.

## Long description

Lahti Pro Thermal Shirt 5023599 is a long-sleeve base layer made from a breathable thermal fabric weighing 220 g/m². The 35% cotton and 65% polyester blend provides air permeability while maintaining fabric strength; a specialised finishing process softens the material without reducing durability. The knit construction offers enhanced thermal insulation suitable for winter workwear. The product complies with CE category I and EN ISO 13688 standards. Size: M.
Advantages
The combination of cotton and polyester balances comfort, breathability and mechanical strength. The fabric finishing increases softness while preserving durability. Double-knit construction improves heat retention for cold environments. Cuffed sleeves contribute to a secure fit and reduce drafts. Certified to CE Cat. I and EN ISO 13688 for basic protective clothing requirements.
Suitable for
Layering as a base layer under work uniforms in cold conditions
Outdoor manual labour during autumn and winter
Tasks requiring breathable yet insulating clothing
Key specifications
Brand: lahti pro
Model / MPN: 5023599
EAN: 5903755023599
Material: 35% cotton, 65% polyester
Fabric weight: 220 g/m²
Sleeves: long-sleeve with cuffs
Protection: CE category I, EN ISO 13688
Size: M
How to use
Wear the thermal shirt as a base layer beneath outer garments to maximise insulation and moisture management. Combine with insulating mid-layers and a weatherproof outer shell for prolonged exposure to cold and wind. Choose the correct size to ensure close fit to the body for optimal thermal performance and breathability.
Usage recommendations
For best garment life and performance, follow the care instructions on the label: wash at suitable temperatures for blended fabrics, avoid high-temperature drying, and do not use chlorine bleach. Replace the base layer when signs of excessive wear or loss of insulating properties appear.

## FAQ

### How much does the Thermal Shirt lahti pro 5023599 long-sleeve base layer 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 — 57 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 29.06.2026 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/10781963/60031649_large.webp