Organic Merino Wool Clothing for Men
Merino wool base layers, tops, bottoms, socks, and accessories from Engel, Hirsch-Natur, Reiff, and Disana — European heritage brands using GOTS and IVN BEST certified organic wool. Warm, breathable, odor-resistant, and built for years of wear.
About our wool
European heritage wool brands for men
Four German family-run manufacturers anchor our men's wool collection. Each specializes in a different part of the wardrobe, and all use certified organic wool processed without harsh chemicals — which matters for base layers and other garments worn against skin for extended periods.
Engel
German family business since 1927. Our primary source for men's merino wool and wool-silk base layers, undershirts, long sleeves, and long underwear. IVN BEST certified — the strictest organic textile standard available.
Hirsch-Natur
German specialists in 100% merino wool socks — no synthetic blends, which is uncommon in the sock market. GOTS certified, kbT-sourced wool from verified organic animal husbandry.
Reiff
Family-run knitting company in southwestern Germany. Source for select wool fleece tops, accessories, and complementary pieces knitted in-house using certified organic yarns.
Disana
German specialists in boiled wool since the 1970s. Our source for structured wool outerwear pieces. GOTS certified.
Shop by category
Find what you need
The men's wool collection covers base layers through outerwear. Start with the category that matches what you're shopping for.
Base layers
Merino and wool-silk undershirts, long-sleeve tops, and long underwear — the foundation of a wool wardrobe.
Shop base layers →Tops
Wool and wool-silk tops in short sleeve, long sleeve, and thermal styles for daily and outdoor wear.
Shop tops →Bottoms
Wool long underwear and leggings for warmth under work pants, outdoor pants, or on their own.
Shop bottoms →Socks
100% wool socks in hiking, work, and everyday weights. Warm, cushioned, and naturally odor-resistant.
Shop socks →Accessories
Wool hats, gloves, scarves, and small accessories for cold-weather completion.
Shop accessories →Why wool
What wool does that cotton and synthetics can't
The reasons men who wear wool keep coming back — whether for outdoor use, daily layering under work clothes, or multi-day travel.
Temperature regulation
Merino wool actively regulates body temperature — it insulates in the cold and breathes when you warm up. This is why a single wool base layer handles the full range from freezing mornings to warm afternoon exertion without needing to be removed. It's also why wool works for commuters moving between cold outdoor air and warm indoor offices.
Odor resistance
Wool's natural properties resist odor in a way that cotton and synthetics can't match. A merino base layer can be worn several days in a row without washing and still stay fresh. This matters for multi-day travel, for backcountry trips, and for anyone who wants to reduce laundry frequency without compromising cleanliness.
Layering that works
Wool base layers are thin enough to wear under work shirts and outdoor shells without adding bulk, but warm enough to replace heavier layers entirely. Good merino layers disappear into an outfit while keeping you comfortable in conditions that would otherwise require a jacket.
Built to last
Quality wool clothing from European heritage brands routinely lasts 5 to 10 years or more with proper care. The fibers soften with wear rather than breaking down, and the construction holds up to hard use. A single well-made wool base layer replaces multiple cotton or synthetic pieces over its lifetime, at a lower per-wear cost.
Learn more
Guides to help you choose
New to merino wool or deciding which pieces to start with? These guides cover the details.
Is merino wool right for you?
A 60-second decision guide covering comfort, warmth, price, and care.
Read the guide →Wool vs synthetic base layers
Honest comparison including warmth-to-weight, moisture management, and durability.
Read the guide →Merino wool weights explained
Interlock, fleece, boiled, and terry — which is right for which use case.
Read the guide →How to wash wool clothing
Hand-washing, air drying, and tips for keeping wool looking new for years.
Read the guide →FAQ
Frequently asked questions about men's wool
How does merino wool compare to synthetic base layers?
Merino wool outperforms synthetics in odor resistance, temperature regulation across a wider range of conditions, and environmental impact (no microplastic shedding in the wash). Synthetics dry faster in wet conditions and are typically less expensive upfront. For everyday wear, multi-day travel, and base layers worn close to skin for long periods, wool has clear advantages. For high-output athletics in wet conditions where fastest drying is critical, synthetics can make sense. See our full comparison →
Is merino wool itchy for men?
Quality merino wool is not itchy for most people. Merino fibers are typically 17-20 microns in diameter, compared to 30+ microns for the coarse wool that causes the itchy reputation. Organic merino is also processed without harsh chemical finishes that can irritate skin. For very sensitive skin or eczema-prone wearers, wool-silk blends (70% merino, 30% silk) are even softer and are available in base layer shirts and long underwear. More on wool and itchiness →
Can I wear merino wool base layers year-round?
Yes. Merino wool is temperature-regulating — it insulates when cold and breathes when warm. Lightweight merino (130-180 gsm) works in spring, fall, and indoor-heated winter conditions, as well as cool summer evenings. Midweight (200-250 gsm) is a solid year-round base layer for colder climates. Heavyweight (300+ gsm) is best for deep winter and high-altitude or backcountry use. The right weight depends on your climate and intended use. See our weights guide →
How many days can I wear a wool shirt before washing it?
For everyday wear, a merino wool shirt typically goes 3 to 7 days between washes. For travel or backcountry use, many wearers go a week or longer. Wool's natural odor resistance means that airing the garment out between wears — hanging it somewhere with air circulation overnight — handles most situations. Wash when visibly soiled or when it starts to hold odor despite airing, not on a fixed schedule.
Are 100% wool socks better than wool blend socks?
100% wool socks offer the full benefits of the fiber — maximum odor resistance, natural antibacterial properties, temperature regulation, and no microplastic shedding. Wool blend socks (typically wool plus nylon or synthetic elastic) add durability and elasticity at the cost of some wool benefits. Pure 100% wool socks are genuinely hard to find, which is why we carry Hirsch-Natur — their GOTS-certified wool socks use no synthetic blends.
How do I care for merino wool clothing?
Hand-wash in cool water with a wool-safe (enzyme-free) detergent, then lay flat to dry. Avoid heat, standard detergents, and fabric softeners — all of which damage wool fibers. Machine-washable wool exists and requires a wool cycle and cold water. Between washes, air garments out overnight rather than immediately tossing them in the laundry. With proper care, quality wool lasts years. See our complete wool care guide →
Can I return wool items if they don't fit?
Yes. Wool clothing can be returned within our standard return window as long as items are unworn, unwashed, and in original condition with tags attached. European fit tends to run slimmer than US brands, so we recommend measuring yourself and checking each brand's size chart on the product page before ordering. See our returns page for full details →