-
2 colours -
-
-
-
-
3 colours -
Mens Active Top Adamo in Black Marl£13.99 Was £33.99 -
-
-
-
-
-
-
-
-
Guide to Buying Base Layers For Men
Base layers are essential to achieving the perfect layering system and an outdoor outfit that does the job. With our range of base layers for men, made from breathable polyester and super warm Merino wool, you can rest assured that no chill will be able to penetrate your outfit. For maximum insulation and warmth, base layers are the way to go. Our range of sizes, styles and colours are perfectly tailored to suit skiing, snowboarding, hiking, climbing and walking. Pair your base layer with a men's fleece and you're ready for adventures big and small.
Thermal Underwear For Men
When the temperature drops, it's time to break out the thermals! Our thermal underwear for men is designed to keep you warm without being bulky or uncomfortable. We have a range of long johns and long sleeve tops in different weights so you can choose the right amount of insulation for the conditions. And our quick-drying fabrics mean you'll stay comfortable even if you work up a sweat.
Mens base layers are available in different constructions to suit temperature, layering needs, and activity intensity.
- Lightweight mens thermals: Built for high output activity where breathability and moisture control are the priority.
- Midweight mens base layers: Offer a balanced level of insulation and airflow for general hiking and everyday outdoor use.
- Thermal insulated base layers: Designed to retain warmth in colder conditions or during lower activity levels.
These options allow mens thermals to perform effectively across a wide range of environments.
Materials and How They Work
The fabrics used in mens base layers determine how well they manage heat, moisture, and movement.
- Polyester: A durable and fast-drying fabric that forms the backbone of most mens thermals.
- Polyamide: Adds strength and abrasion resistance while remaining lightweight and breathable.
- Elastane: Provides stretch to support unrestricted movement and a close, comfortable fit.
- Merino wool: Naturally insulating and breathable, helping regulate temperature and manage odour.
- Viscose or rayon: Contributes softness and a smooth feel when blended with technical fibres.
- Acrylic: Lightweight and warm, often used as an alternative insulating fibre in knit constructions.
These materials are commonly blended to balance performance, durability, and comfort.
Design details play an important role in how mens base layers perform during use.
- Stretch fibres support natural movement and flexibility.
- Seamless or flat seam construction reduces friction against the skin.
- Mesh ventilation zones improve airflow in high heat areas.
- Close-fitting cuts enhance moisture transfer and layering efficiency.
- Lightweight fabrics improve comfort during prolonged wear.
- Thermal insulation reduces heat loss in cooler conditions.
These features help mens base layers remain comfortable, practical, and effective.
Different activities require different levels of insulation and breathability.
- High-altitude trekking: Midweight mens base layers support temperature control during changing conditions.
- Steep ascents: Lightweight mens thermals with ventilation help release excess heat.
- Trail running: Breathable, close-fitting base layers reduce overheating during sustained movement.
- Autumn and winter hiking: Insulated mens base layers help protect against heat loss in colder temperatures.
Selecting base layers based on activity improves comfort and performance across the day.
-
Can I wear base layers under jeans or casual trousers?
- Yes, mens base layers can be worn under everyday clothing in cold weather. Lightweight styles work best to avoid bulk while still providing warmth.
-
Do base layers work for both low and high-intensity activities?
- They do, but the fabric weight matters. Lightweight mens thermals suit high-intensity movement, while heavier options work better for low activity or colder conditions.
-
What material is best for base layers?
- There is no single best option, as it depends on use. Polyester blends suit active conditions, while merino wool offers natural warmth and odour control.
-
Do base layers help with moisture control?
- Yes, mens base layers are designed to wick sweat away from the skin. This helps keep you dry and reduces the risk of chilling during rest periods.
