Men's Merino 250g Thermal Bottom Black
Men's Merino 250g Thermal Bottom Black
Men's Merino 250g Thermal Bottom Black
Men's Merino 250g Thermal Bottom Black
Men's Merino 250g Thermal Bottom Black
Men's Merino 250g Thermal Bottom Black

Men's Merino 250g Thermal Bottom Black

Regular price $62.99 Sale price$56.99 Save $6.00
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Temperature Regulation

Merino wool provides a layer of insulation and features thermo-regulating properties that adapt to your body and external conditions, keeping you warm in the cold and cool in the heat.

Natural odor resistance

Merino wool’s naturally complex structure resists bacteria and controls odors by absorbing odor molecules into its fibers and only releasing them when washed, helping you stay fresh for longer.

Moisture Management

Merino wool effectively absorbs moisture from the skin's surface, locking it within its fibers and gradually releasing it through evaporation. It can absorb up to 30% of its weight in water while still feeling dry to the touch, ensuring you stay comfortable and dry.

Soft and Cozy

The finer the fiber, the softer the fabric. Merino wool fibers, with diameters less than 24 microns, these delicate fibers bend easily with the lightest touch. This creating a fabric that is soft, smooth, and comfortable against your skin—without any irritation or scratching.

Easy Care and Packs Lighter

Merino wool resists odors and has natural elasticity, reducing the occurrence of unpleasant smells, wrinkles, and deformation after each wear, so you won’t need to wash it often. When you do, just use cool water and lay it flat to dry. This minimizes the need for frequent cleaning and ironing, making it ideal for one-bag travel.

Natural and Eco-Friendly

All of our wool is sourced from Merino sheep on farms in Australia that prioritize animal welfare and humane treatment, and is Woolmark certified. The wool is biodegradable, recyclable, and produced with minimal environmental impact, making it an exceptionally sustainable choice.

Customer Reviews

Based on 4 reviews
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Mansueto Aranjuez

Men's 100% Merino Wool Base Layer Thermal Underwear Black - MT22

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ELKACLELKACL
Well-fitting, comfortable, warm and not itchy

I ordered an XL because I have a 35" inseam AND waist and L usually runs a bit short: the XL fit really well. The base of the leg has double thickness for about 4 inches and extends down to the top of my foot. I like the waistband, which is wider than my polypro long underwear from various makers. The XL waist would not be baggy for a 34" waist and might fit a 32" waist if the person has longer legs (I don't know how long the L is but assume it's shorter). It's winter so I wore these around the (cool) house, out of the box, for a day to get a feel for the fit. I find them about the same heft as expedition polypro so not too thick and just right for winter outdoor activities. What really impressed me was that they don't itch like some of my other woolies. I plan to take these when I backpack during shoulder seasons because they're lightweight and WOOL. Probably will get another pair and start retiring my old polypro...

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Bob S.
warm and comfortable

i got these with the upcoming cold weather of the northeast coming soon. These fit pretty well and are nice and warm without being too thick or bulky to wear underneath pants. I particularly like the waistband as it's wide and there's no annoying tag in the back (just printed lettering). I'm ready for the winter!

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BarryRBarberBarryRBarber
Great Merino Wool Base Layer

I think this Merino Protect Base Layer compares favorably with similar products from SmartWool and Meriwool. A Merino wool base layer like this is great for cool/cold days. The day after these leggings arrived, the temperature was predicted to drop by quite a bit. They are form-fitting, so I put them on under my cords: I was comfortable all day at work. I also liked the environment-friendly packaging. Recommended.