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BASELAYER CALCULATOR — Always the Right Choice
Wondering exactly what baselayers to choose is a thing of the past. With our Baselayer Calculator™, we've made it easy for you to discover the ideal baselayer warmth level for your adventure, no matter the temperature or physical intensity.
Layering warmth levels can also be mixed and matched to create perfect conditions for your body without the bulk of mid and outer layers.
WEIGHT WARMTH

Fabrics are sometimes weighed in grams per square meter (GSM), although Larger gsm numbers indicate heavier garments — when it comes to baselayers — heavier and thicker does not always mean it will keep you warmer.

The multifaceted design of terramar baselayers goes well beyond weight; factoring in such things as the temperature of your surroundings, and the intensity level of your chosen activities.

ALWAYS STAY WARM, DRY & COMFORTABLE
REGARDLESS OF TEMPERATURE OR PHYSICAL
ACTIVITY. LET OUR CALCULATOR REVEAL YOUR
IDEAL BASELAYER LEVEL.
INTENSITY LEVEL
CHOOSE YOUR PHYSICAL ACTIVITY
FROM LOW, MID TO HIGH.
OUTSIDE TEMPERATURE
CHOOSE FROM MILD TO EXTREME
WEATHER CONDITIONS
READY & GO!
DISCOVER YOUR IDEAL BASELAYER LEVEL
& SET OUT ON NEW ADVENTURES.
Advanced body temperature equalizer
Our Climasense fiber fusion technology is engineered to warm you
up when you are cold and cool you down when you are hot,
maintaining ideal temperature and humidity.
Keeping your body temperature exactly where it needs to be.
Fabric Innovation
Innovation in fabric is at the forefront of our minds. We engineer knit constructions to
inherently increase their ability to transfer moisture, dry faster, and thermoregulate. We use
branded yarns to ensure industry best standards, focusing on our innovation in knitting to
enhance their performance overall.
THERMOREGULATION
TECHNOLOGY
Our fabric, using climasense
thermoregulation technology, is tested to
examine its adaption through a wide range
of temperature and activity levels.
MOISTURE
MANAGEMENT
We measure how fast moisture moves from
the skin to the face of the fabric. Keeping
dry is the basis of keeping comfortable, a
key feature in baselayers used during high
activity levels.
UPF
PROTECTION
Our UPF-rated garments provide
sun protection for everybody.
ODOR
CONTROL
Our fabrics are put to the test to neutralize
sweat and odor.
Innovation
award winner
Our R&D teams works tirelessly and relentlessly on imagining, creating and producing gear
that anyone can use as a catalyst for their own growth and exploration. Our final step
involves lab and field testing to guarantee our garments and accessories all meet even the
most challenging performance requirements.
Our Product Series
MERINO PRO SERIES
The best mother nature has to offer in thermal regulation
technology. Our Merino pro series incorporates traditional
Merino Wool, enhanced with innovative knit construction
and climasense technology. This unique blend of fibers
allows for optimal performance and Extra comfort.
PERFORMANCE SERIES
Designed for high energy outdoor adventures
our Performance series is engineered to stretch and move
with you for your various active lifestyles. From climbing
up to the snowiest peaks to early morning runs in the city,
these garments are enhanced with Climasense thermal
regulation technology to enhance your comfort.
HERITAGE SERIES
The best mother nature has to offer in thermal regulation
technology. Our Merino pro series incorporates traditional
Merino Wool, enhanced with innovative knit construction
and climasense technology. This unique blend of fibers
allows for optimal performance and Extra comfort.