250 GSM is our everyday cold-weather standard — warm enough for winter city days, breathable enough for the trail.
Fabric weight guide
Which merino weight is right for you?
GSM is grams per square metre — how much fabric there is, not a warmth rating. Every weight is the same soft 17.5-micron Australian merino: it wicks sweat before it turns cold, insulates when it is cold and ventilates when it is warm. Lighter fabric breathes and dries faster; heavier fabric holds more heat when you stop moving. Choose by season and by how hard you will be working.
Warm & hot weather · 60°F+ / 15°C+ — and high effort in any season
Best for: summer hiking, running, cycling, hot-climate travel, everyday tees and office wear; the next-to-skin layer under a 250 when you work hard in winter
Pick this if: you want a shirt that stays fresh for days, dries in an hour and keeps you cooler than cotton in the heat — or you simply run hot
Think twice if: you will mostly be standing still in the cold; on its own a lightweight layer has little insulation to offer
Cool to mild · 40–65°F / 5–18°C
Best for: spring and fall as a standalone top, summer evenings, cool-morning hikes and commutes; winter as a base under a mid-layer
Pick this if: you want one merino layer that covers most of the year, or you are unsure between light and mid — this is where most people should start
Think twice if: you run cold and your winter is genuinely cold: go straight to 250
Cold · 20–45°F / −7–7°C — the classic winter base layer
Best for: skiing and snowboarding, winter hiking, cold-weather work, frosty fall mornings; top-and-bottom sets so your legs are not the weak link
Pick this if: you run cold in fall, want the classic winter base layer, or spend active days below freezing under a shell
Think twice if: you overheat easily on hard uphill efforts — a 165 or 190 underneath, 250 over it, is the better system
Deep cold · below 25°F / −4°C — especially when you stop moving
Best for: ice fishing, hunting stands, camp at altitude, winter mornings spent waiting rather than walking, a house that never quite gets warm
Pick this if: warmth matters more than breathability, you are chronically cold, or your winter involves long spells standing still outdoors
Think twice if: you will be working hard — it is too warm for a sweaty climb, which is exactly the point
A base layer works by sitting close to the skin, where it can move moisture — loose is not more comfortable, just slower. Between sizes? Size down for a next-to-skin layer under a shell, size up to wear it on its own or over another layer. Merino stretches with wear and springs back after a wash. Heavier weight is not itchier: itch comes from coarse fibre, and every weight here is the same superfine merino.
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Description
Mantente abrigado incluso en el invierno más frío con la camiseta de capa base de manga larga para hombre Merino.tech. Ideal para usar durante varios días sin olor y con comodidad en todos los climas.
Beneficios de las camisetas de manga larga de merino
Capa base perfecta
Esta camiseta de manga larga de lana merino para hombre es ideal para usar como capa base o capa intermedia, y proporciona un ajuste perfecto sin volumen. La suave lana merino se adapta fácilmente a la figura de cualquier persona, lo que hace que esta prenda sea ajustada pero no restrictiva para tu máxima comodidad.
Sin olor
La ropa de lana merino es ideal para caminatas de varios días y sesiones de ejercicio intensas. Este tejido natural absorbe fácilmente la humedad y la fuerza a secarse más rápido. Los elementos proteicos que contiene la fibra merino eliminan el olor y el aroma desagradable.
Ideal para uso diario
Las camisetas de manga larga de lana merino son multifuncionales y adecuadas para una variedad de situaciones. Póntelas para la máxima relajación en casa, todos los días para ir a la oficina, así como para ocasiones especiales y salidas nocturnas. Pruébatelas para esquiar, en el gimnasio o en una caminata. ¡Apreciarás cada momento que uses esta prenda de lana merino!
Súper cómodo
Nuestra ropa de lana merino es increíblemente cómoda. Las costuras planas de nuestras prendas y la lana merino ultrasuave evitan el roce, el sobrecalentamiento y el amontonamiento. Producimos ropa pensando en tu comodidad, con la esperanza de que se conviertan en tus prendas favoritas a las que recurrirás una y otra vez.
Beneficios de la lana merino
Comodidad en las cuatro estaciones
La ropa hecha de lana merino ligera te mantendrá abrigado y cómodo durante el clima frío, y seco y fresco durante las temperaturas cálidas. Este tejido ligero de 165 G/M² tiene grandes cualidades aislantes y es igualmente adecuado para condiciones frías y cálidas.
Material natural
La capa base para hombre de lana merino 100% superfina de 17,5 micras es transpirable, suave y sorprendentemente elástica. La fibra natural de la ropa de lana merino proporciona comodidad durante todo el día y no pica.
Protección UPF 50+
La protección ultravioleta es esencial para todos durante todo el año. La capa base ligera de lana merino para hombre bloquea los dañinos rayos del sol y los mantiene alejados de la piel.
Absorción de humedad
Gracias a las propiedades naturales resistentes al olor y de perfecta absorción de la humedad de la lana merino, esta capa base de merino para hombre te mantendrá seco y fresco incluso durante un uso prolongado.
Material
100% lana merino
100% lana merino
100% lana merino
100% lana merino
100% lana merino
100% lana merino
Opciones de talla
S-XXL
S-XXL
Talla única
4-8/9-12
S-XXL
XS-XL
Opciones de color
6 colores
Más de 20 colores
12 colores
Más de 30 colores
9 colores
8 colores
Calcetines de senderismo incluidos
✓
✓
✗
✗
✗
✓
Questions people ask about merino
What is merino wool, and what makes it different from regular wool?
Merino wool comes from Merino sheep and is measured in microns — the thickness of a single fibre. Merino.tech uses 17.5 micron Australian merino, which is roughly a third the thickness of the coarse wool most people remember from old jumpers. Finer fibres bend against the skin instead of pressing into it, which is why merino feels soft rather than scratchy while still insulating, breathing and resisting odour naturally.
Is merino wool itchy?
No. Itch is caused by fibre diameter, not by wool itself. Fibres above roughly 22 microns are stiff enough to trigger the prickle response; ours measure 17.5 microns, well under that threshold. Every piece here is 100% Australian merino with no synthetic blend in the body fabric, so there is nothing rough sitting against your skin.
How do I wash merino wool without ruining it?
Turn the garment inside out, machine wash cold on a gentle cycle with like colours, and use a mild or wool-specific detergent. Lay it flat to dry. Never use fabric softener or bleach — softener coats the fibre and destroys the breathability you paid for. Merino resists odour, so you can wear it several times between washes, which is the easiest way to make it last.
Is merino wool warm enough for real winter?
Warmth is set by fabric weight, measured in grams per square metre. 165 and 180 are lightweight layers for runs and mild days. 200 is the everyday weight. 250 covers autumn through proper cold and is the most popular choice for skiing and hiking. 320 is heavyweight, made for standing still in real winter — ice fishing, chairlifts, cold work outdoors.
Does merino wool shrink?
It can, but only under heat and agitation. Hot water and a tumble dryer cause the scales on the fibre to lock together permanently. Cold water, a gentle cycle and flat drying prevent it entirely. Follow that and the garment keeps its shape for years.
Can you wear merino wool in summer?
Yes, and it is one of the reasons people switch. Merino moves moisture vapour away from the skin before it turns into sweat, so a lightweight 165 or 180 layer runs cooler than cotton in heat. It also blocks UV — our lightweight fabrics carry a UPF rating of 25, the midweight and heavyweight options 50+.