Thermal underwear

2IN1 - Thermo long-sleeve shirt for men is the best way to add extra layer of warmth underneath work clothing in the winter.

The Thermowave Merino Xtreme Men's T-Shirt is the ideal base layer made from a premium blend of natural and synthetic materials.

The Thermowave Merino Timberstone Men's T-Shirt is a structured knit t-shirt made of 100% merino wool with a weight of 220g/m2 and is a great choice for outdoor adventurers.

The Thermowave Merino Xtreme Men's T-Shirt is the ideal base layer made from a premium blend of natural and synthetic materials.

The Thermowave Merino Xtreme Men's T-Shirt is the ideal base layer made from a premium blend of natural and synthetic materials.

A unique men's Aclima Woolnet Hiking T-shirt made of merino wool with mesh panels for medium and high intensity activities. Woolnet thermal underwear ensures extra fast ventilation of moisture and excess heat, but also acts as perfect insulation.

A unique men's Aclima Woolnet Hiking T-shirt made of merino wool with mesh panels for medium and high intensity activities. Woolnet thermal underwear ensures extra fast ventilation of moisture and excess heat, but also acts as perfect insulation.

The Lars Monsen polo is a long-sleeved, crew-neck sweater made of 100% merino wool. Chest pocket with secure attachment for a compass, for example.

Aclima Warmwool is a line of thermal underwear designed for colder days. The material is made of 100% merino wool with a weight of 200 g/m2 and a fiber thickness of 20.5 microns.

The Aclima StreamWool Crewneck is a reversible crewneck wool t-shirt designed for optimal warmth, comfort and functionality.

The Aclima Designwool Marius T-shirt made of 100% merino wool of the highest quality with a traditional Norwegian pattern is ideal for skiing, hiking, camping, but also for everyday wear.

Aclima WarmWool is the most popular Aclima line, and the line with the largest range.

Devold Tuvegga merino ¾ long johns is the reversible base layer that offers different functions depending on what side you’re facing.

The Devold Duo Active men's t-shirt combines fine organic merino wool on the outside and ThermoLite on the inside to provide the best possible comfort on cold winter days.

Devold® Duo Active is a two layer knitted fabric with a delicate merino wool on the outside and Thermocool ECO2 on the inside.

This is the perfect top for cold conditions. The stretch Thermofleece fabric has a smooth outer and brushed lining offering unrestricted movement, great comfort and warmth with excellent breathability.

This is the perfect top for cold conditions. The stretch Thermofleece fabric has a smooth outer and brushed lining offering unrestricted movement, great comfort and warmth with excellent breathability.

The Aclima Woolnet Men's T-Shirt is a unique merino wool thermal underwear with mesh panels, ideal for medium to high intensity activities.

Medium to high-level activities where extra insulation is needed, like hikes, cross-country skiing, hunting and summit hikes.

Aclima Woolnet Men's Underwear is a unique merino wool thermal underwear with mesh panels ideal for medium to high intensity activities.

Devold Expedition is an underwear garment designed with dual layers for extreme weather conditions.

Ideal for winter outings or when temperatures are very low, the new Seamless long-sleeve knitted base layer is designed to improve heat exchange to better regulate body temperature and keep you dry during exercise.