What size is this thermal underwear?

This model comes in clothing size XXL/3XL.

What materials are used in these thermal pants?

The pants are made of 61% recycled polyester, 36% polyamide, and 3% elastane.

Does this garment offer flame or arc flash protection?

No, this model does not provide ARC protection and is not flame retardant.

What is the fit of the Opsial Baltsar OGT?

Thanks to the stretch fabric, it has a slim fit that creates a second-skin feel.

Who is this thermal underwear designed for?

These long thermal pants are specifically designed for men.

OPSIAL BALTSAR OGT long thermal pants (grey) - 65731479 OPSIAL 65731479

Name: OPSIAL BALTSAR OGT long thermal pants (grey) - 65731479
Brand: OPSIAL
SKU: 10414
Price: 59.85 EUR
Availability: InStock

Supplier number: OPSIAL 65731479 | EAN 3661578063537

59.85 tax incl.

€49.46 excl. VAT (incl. all environmental contributions)

Clothing size *

Stock is shown per size

S/M In stock L/XL In stock XXL/3XL In stock

In stock On backorder Unavailable

On stock - immediately available

Ordered before 20:00 - delivered tomorrow 02/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

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Reliable thermal protection in cold conditions

Practical benefits

Efficient warmth and moisture management: The specialized fabric blend retains body heat while quickly drawing moisture away during strenuous work activities.
Flexible second skin fit: The stretchable composition contours closely to your body, giving you full freedom of movement throughout the day.
Smooth comfort without chafing: Designed with flat seams, this Opsial long thermal underwear prevents skin irritation even during extended wearing periods.

In a nutshell

The right choise for

Stay comfortably warm and fully focused during cold workdays with the Opsial Baltsar ogt long thermal underwear. Specially designed for men, these grey thermal pants combine recycled polyester, polyamide, and elastane to deliver a snug second-skin fit. The technical fabric effectively retains body heat while quickly wicking away moisture during strenuous tasks. Thanks to the highly stretchable material, you enjoy complete freedom of movement when bending and walking on chilly jobsites or in cold storage facilities. Finished with flat seams to prevent chafing and skin irritation, this base layer ensures smooth, reliable comfort throughout your entire shift.

Product information FAQ

€59.85

In stock - tax incl.

Key features according to our expert

Color: Grey
Thermal: Yes
Flame-retardant: No
Leg length: Long
Material: PA - Polyamide (Nylon®); Polyester; Elastane(spandex)
Colour (manufacturer): Grey
Women/Men: Men
Arc flash protection: No
Properties: Long; Thermal

Product description

Long thermal pants made of recycled polyester / polyamide / elastane.
Stretch fabric and slim fit for a "second skin" effect.
Thermolactyl label: guarantees excellent thermal insulation and optimal moisture management.
Anti-chafing design: flat seams prevent chafing.
Ventilation zones for better ventilation.
Anti-bacterial treatment.
Composition: 61% recycled polyester, 36% polyamide, 3% elastane.

All Features

Color: Grey
Thermal: Yes
Flame-retardant: No
Leg length: Long
Material: PA - Polyamide (Nylon®); Polyester; Elastane(spandex)
Colour (manufacturer): Grey
Women/men: Men
Arc flash protection: No
Properties: Long; Thermal

Brand OPSIAL
03273479
EAN 3661578063537
Supplier number OPSIAL 65731479

Frequently asked questions about this product

Answered by specialists

What size is this thermal underwear?: This model comes in clothing size XXL/3XL.
What materials are used in these thermal pants?: The pants are made of 61% recycled polyester, 36% polyamide, and 3% elastane.
Does this garment offer flame or arc flash protection?: No, this model does not provide ARC protection and is not flame retardant.
What is the fit of the Opsial Baltsar OGT?: Thanks to the stretch fabric, it has a slim fit that creates a second-skin feel.
Who is this thermal underwear designed for?: These long thermal pants are specifically designed for men.