HW Norwin Merino Wool Thermal Underwear High-Neck Shirt

HW Norwin functional thermal base layer shirt is a warm, breathable, and moisture-wicking base layer that combines the natural properties of merino wool with the practicality of performance polyester. The double-layer material is designed to help maintain a comfortable climate around the body both in cold weather and during active movement. Therefore, it is perfectly suitable not only under workwear but also for hiking, skiing, winter walks, sports, and other active activities. The shirt’s material consists of 40% merino wool and 60% performance polyester, and the fabric weight is 220 g/m². Moisture management is particularly important during active activities. When the body starts to sweat during physical exertion, the functional base layer helps to wick moisture away from the skin. This prevents the wet fabric from staying against the body for a long time, and dressing remains more comfortable even with changing activity levels. The advantage of merino wool is its ability to retain warmth even when wet.

Natural benefits of merino wool
Merino wool differs from ordinary coarser sheep’s wool due to its very fine fibers. Thanks to this, the material is soft and pleasant against the skin and does not cause the prickly sensation often associated with conventional wool. This is especially important for base layers worn directly against the skin. Merino wool also has natural odor-reducing properties, which keeps the garment fresh for longer. It is not always necessary to wash the shirt immediately after a single wear – after lighter use, a few hours of airing may be enough to refresh it. This feature is particularly practical for hiking, traveling, or multi-day outdoor work.

• Functional warm base layer
• 40% merino wool / 60% performance polyester
• Material weight 220 g/m²
• Merino wool helps maintain and regulate body heat
• Wicks moisture away from the body
• Retains warmth even when wet
• Highly breathable material
• Soft and comfortable merino wool against the skin
• Does not cause the prickly sensation typical of coarse wool
• Natural properties of merino wool help reduce unpleasant odors
• Suitable for active movement and prolonged wear
• Good first layer for cold weather clothing
• Suitable for work, sports, and leisure activities
• Machine washable up to 40 °C

Also see Norwin thermal base layer pants

Why choose the HW Norwin thermal base layer shirt?
The strength of Norwin is that it is not just a thick winter base layer shirt. Its purpose is to combine warmth, breathability, and moisture management so that the shirt works with the wearer even during physically active activities. 40% merino wool helps retain warmth, regulate body temperature, and reduce unpleasant odors. 60% performance polyester complements this with technical functionality, helping to wick moisture from the body to the next layer of clothing. The 220 g/m² material provides enough warmth for the shirt to be used as a proper first layer in colder seasons. The result is a versatile functional shirt with merino wool that can be worn under work clothes in the morning, taken on a hike on the weekend, or used as a base layer when playing sports in winter.