Base Layer System | Odlo®

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Close-up of two people in thermal sportswear; one wears a black balaclava, the other a teal long-sleeve top, both looking toward camera.

Base Layer System

Find the right base layer for how you move, how you like it to feel and the conditions ahead.

ONE SYSTEM. FOR HOWEVER YOU MOVE. FROM THE NEXT-TO-SKIN EXPERTS.

DEFINE YOUR MOVEMENT

Think about the sports you'll be doing and how hard you'll be working.

Woman snowshoeing by a snowy lake, wearing a teal puffer jacket, white hat with goggles, and using trekking poles in winter scenery.

LOW–MODERATE INTENSITY

Everyday movement, hiking, skiing, slower adventures.

Runner in winter gear and sunglasses jogging on a wet road beside snowy fields and hills under overcast skies.

HIGH INTENSITY

Running, fast hiking, cross-country skiing, ski touring.

FIND YOUR BASE LAYER

Now choose the technology and fit that that's right for you.

Active

Fitted

Versatile base layers for everyday comfort. Timeless essentials built to move with you.

Active

Fitted

Close-up of a man in a grey long-sleeve base layer top pulling the stretchy sleeve, shown against a plain background.

100% Merino

Fitted

Base layers crafted from 100% merino wool for adaptable comfort, temperature regulation and odour control.

100% Merino

Fitted

Close-up of brown waffle-knit fabric with visible textured grid pattern and seam on a folded sleeve.

Merino

Slim Fit

Merino wool blended with technical fibres for enhanced comfort, softness and durability.

Merino

Slim Fit

Close-up of a woman wearing a dark textured base layer top, showing the patterned shoulder fabric and seam detail in soft light.

Performance

Slim Fit

Seamless base layers precision built for high-intensity efforts. Exceptional breathability, fast drying and lasting freshness.

Performance

Slim Fit

Active

Fitted

Versatile base layers for everyday comfort. Timeless essentials built to move with you.

Active

Fitted

Close-up of a man in a grey long-sleeve base layer top pulling the stretchy sleeve, shown against a plain background.

100% Merino

Fitted

Base layers crafted from 100% merino wool for adaptable comfort, temperature regulation and odour control.

100% Merino

Fitted

Close-up of brown waffle-knit fabric with visible textured grid pattern and seam on a folded sleeve.

Merino

Slim Fit

Merino wool blended with technical fibres for enhanced comfort, softness and durability.

Merino

Slim Fit

Close-up of a woman wearing a dark textured base layer top, showing the patterned shoulder fabric and seam detail in soft light.

Performance

Slim Fit

Seamless base layers precision built for high-intensity efforts. Exceptional breathability, fast drying and lasting freshness.

Performance

Slim Fit

CHOOSE YOUR WARMTH

Temperature tells you where to start. Your intensity level helps you fine-tune your choice.

Close-up of a person wearing a sleeveless black high-neck base layer top, showing textured super light fabric and braided hair against a light background.

x-light

Ultra-lightweight and highly breathable. For very warm conditions.

x-light

Close-up of a man wearing a fitted black ribbed short-sleeve base layer top, shown from chest to chin against a light grey background.

Light

Breathable and lightweight. For mild to warm weather.

Light

Warm

Insulating yet breathable. For colder weather.

Warm

X-warm

Maximum insulation. For extremely cold conditions.

X-warm

Close-up of a person wearing a sleeveless black high-neck base layer top, showing textured super light fabric and braided hair against a light background.

x-light

Ultra-lightweight and highly breathable. For very warm conditions.

x-light

Close-up of a man wearing a fitted black ribbed short-sleeve base layer top, shown from chest to chin against a light grey background.

Light

Breathable and lightweight. For mild to warm weather.

Light

Warm

Insulating yet breathable. For colder weather.

Warm

X-warm

Maximum insulation. For extremely cold conditions.

X-warm

TRUST THE NEXT-TO-SKIN EXPERTS

Decades of layering expertise help you choose with confidence.

SS26 teaser 80 Years Strong blog

PIONEERING SINCE 1946

80 years of innovation in performance layering.

PIONEERING SINCE 1946

Man in a tight long-sleeved blackcomb base layer with a black marble pattern and ribbed shoulders, posing in motion.

NEXT-TO-SKIN EXPERTISE

Designed from the inside out for comfort and performance

NEXT-TO-SKIN EXPERTISE

FW26 Base Layer System Card 4. Experts Born in Norway D

BORN IN NORWAY. DESIGNED IN SWITZERLAND.

Nordic heritage and Swiss engineering, built into every layer.

BORN IN NORWAY. DESIGNED IN SWITZERLAND.

2025 Social Report Odlo

MADE TO ENDURE

Built with purpose. Designed to last.

MADE TO ENDURE

SS26 teaser 80 Years Strong blog

PIONEERING SINCE 1946

80 years of innovation in performance layering.

PIONEERING SINCE 1946

Man in a tight long-sleeved blackcomb base layer with a black marble pattern and ribbed shoulders, posing in motion.

NEXT-TO-SKIN EXPERTISE

Designed from the inside out for comfort and performance

NEXT-TO-SKIN EXPERTISE

FW26 Base Layer System Card 4. Experts Born in Norway D

BORN IN NORWAY. DESIGNED IN SWITZERLAND.

Nordic heritage and Swiss engineering, built into every layer.

BORN IN NORWAY. DESIGNED IN SWITZERLAND.

2025 Social Report Odlo

MADE TO ENDURE

Built with purpose. Designed to last.

MADE TO ENDURE

There's More Out There

We create performance apparel for people who find meaning in movement and time outside.

Explore more

Close-up of two people in winter blackcomb base layers; one wears teal patterned sleeve, the other in black, with tattooed hands visible.

The Base Layer

The Base Layer

What it does and which type you need.

Woman in teal thermal base layer and black beanie stands in snowy landscape with icy cliffs, looking off to the side.

Merino vs synthetics

Merino vs synthetics

Does one really beat the other?

Man and woman in teal patterned Odlo tops. Woman wears a black beanie and sunglasses, with a prism reflection effect.

SEAMLESS COMFORT

SEAMLESS COMFORT

Next-to-skin freedom.

FW25 Wool CLP Teaser PW base layer close up image men

Wool, expertly elevated

Wool, expertly elevated

We’ve redefined what merino fibres can achieve.

Close-up of two people in winter blackcomb base layers; one wears teal patterned sleeve, the other in black, with tattooed hands visible.

The Base Layer

The Base Layer

What it does and which type you need.

Woman in teal thermal base layer and black beanie stands in snowy landscape with icy cliffs, looking off to the side.

Merino vs synthetics

Merino vs synthetics

Does one really beat the other?

Man and woman in teal patterned Odlo tops. Woman wears a black beanie and sunglasses, with a prism reflection effect.

SEAMLESS COMFORT

SEAMLESS COMFORT

Next-to-skin freedom.

FW25 Wool CLP Teaser PW base layer close up image men

Wool, expertly elevated

Wool, expertly elevated

We’ve redefined what merino fibres can achieve.

Fast Shipping

Within 3-6 business days

30 day returns

Didn’t fit? Return it.

Engineered in Switzerland

Knitted in Norway