Product flat lay view of the green thermal underwear set, highlighting the long-sleeve top and long johns.
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Fostex Garments Thermo Underwear Set Extreme

The Fostex Garments Thermo Underwear Set Extreme is a high-performance, comfortable base layer engineered from premium 100% polyester. With a dense 180–190 GSM fabric weight, it effectively retains body heat while actively wicking moisture to keep you warm and dry during demanding outdoor work or cold-weather adventures.

  • Optimal Thermal Insulation: Medium-heavy 180–190 GSM polyester fabric delivers reliable warmth in cold conditions.
  • Moisture Management: Highly breathable material keeps sweat away from the skin to prevent chilling.
  • Complete Two-Piece Set: Includes both a long-sleeve thermo shirt and matching long johns.

29.95 € Tax included

24.153226 Tax excluded

On order - Delivery time up to 15 work days
new_releases On order - Delivery time up to 15 work days

local_shipping FREE delivery to Estonian Parcel terminal from50€ (Omniva or DPD). Details

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Return policy
14-day return option after receiving the goods

Fostex Garments Thermo Underwear Set Extreme – Reliable Cold-Weather Base Layer

Stay warm, dry, and protected against the elements with the Fostex Garments Thermo Underwear Set Extreme. Designed for outdoor enthusiasts, professionals, and anyone working in cold environments, this dependable two-piece set functions as the ultimate first layer of defense against low temperatures.

Constructed from high-quality 100% polyester with a fabric thickness of 180–190 GSM, the thermal set strikes an ideal balance between lightweight flexibility and substantial thermal retention. The breathable fabric actively wicks moisture away from the skin, ensuring you remain comfortable and dry even during high-output physical activity.

Key Features

  • Extreme Thermal Performance: Engineered to keep your body warm and dry in harsh winter conditions.
  • High-Quality 100% Polyester: Durable, soft against the skin, and quick-drying.
  • 180–190 GSM Fabric Weight: Provides optimal insulation without adding unnecessary bulk under outer garments.
  • Complete Set: Includes matching long-sleeve top and bottoms for total body coverage.
  • Versatile Use: Perfect for outdoor work, winter sports, hiking, hunting, or tactical deployment.

Technical Specifications

Brand Fostex Garments
Product Type Thermo Underwear Set (Shirt & Long Johns)
Material 100% Polyester
Fabric Density 180–190 GSM
Total Weight approx. 400 g
Fostex Garments
114270-11
New
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1. Orders & Shipping

What are the shipping methods?

We ship across Estonia using Omniva and DPD parcel terminals. You can also choose to pick up your order personally from our Tallinn store.

How fast will I receive my order?

In-stock products are usually dispatched within 1–2 business days. For items marked "On order" or "Tellimisel," delivery may take up to 15 business days.

Do you ship internationally?

Yes, we ship across Europe. To see the exact shipping cost, please enter your address during checkout or contact us directly.

3. Returns & Claims

Can I return a product if it doesn't fit?

Yes, a 14-day return right applies to products purchased from the online store. The product must be unused, in its original packaging, and with tags attached. Underwear and hygiene products cannot be returned.

Items purchased from the physical store cannot be returned for a refund; however, we can exchange them for a gift card or another product. Used products cannot be returned.

How do I return a product?

Please contact us at info@milshed.com to arrange the return method. In Estonia, returns via parcel terminal are usually free.

What happens if a product breaks?

Private individuals have a 2-year right to file a claim. If a defect appears within the first 6 months, it is assumed it existed at the time of purchase (manufacturing defect).