Wool
Pros:
Insulates even when damp
Natural temperature regulation
Good moisture management
Resists odour
Cons:
Dries slower than synthetics
Can feel heavier when wet
Best for: llower intensity, cold conditions, mixed-intensity trips.
Midlayer - what to choose?
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- Midlayer - what to choose?
Your midlayer is key to staying comfortable outside. It should insulate against the cold while allowing moisture to escape. This guide explains how to choose the right midlayer — whether you prefer wool, down, synthetic insulation, or a hybrid solution.
Why the midlayer matters
It’s not only your shell that keeps you warm. A good midlayer traps air, moves moisture away from the body, and balances temperature. Match your choice to activity level, weather, and temperature.
High intensity / mild weather: prioritise breathability and moisture transport.
Low intensity / cold weather: prioritise warmth and insulation.
Long outings / changing weather: juse flexible layers you can add or remove easily.
Midlayer types — when to use what
Down
Pros:
Outstanding warmth-to-weight ratio
Highly compressible
Cozy, even warmth
Cons:
Loses insulation when wet
Needs a protective outer layer
Best for: cold and dry weather, rest stops, winter use.
Synthetic insulation
Pros:
Insulates in damp conditions
Dries quickly
Durable and good value
Cons:
Heavier than down
Less compressible than down
Best for: high intensity, wet climates, versatile everyday use.
Fleece
Pros:
Excellent breathability and moisture transport
Soft, light and comfortable against the skin
Quick-drying
Easy to care for
Cons:
Provides less warmth in very cold conditions
Can release microfibres when washed (choose recycled fleece if possible)
Best for: active use, mild to moderate temperatures, as a midlayer under a shell jacket
Technical facts — what affects warmth and comfort
Insulation type: match the material to activity and weather
Construction: quilted zones for even warmth; lighter panels for ventilation.
Moisture management: fabrics that move sweat keep you dry and warm.
Fit: close to the body without squeezing — air pockets provide insulation.
Sustainability & responsibility
At Bergans, we design products to last — for you and the environment.
Recycled materials where possible.
Responsible Down Standard (RDS) and bluesign®-approved fabrics for ethical production.
Repairs and care to extend product life.
Choosing durable gear, and caring for it, is the most sustainable option.
FAQ
Wool vs. synthetic, which is better?
Wool excels in cold and low-intensity use. Synthetic works best at high output and in wet weather.
Can I use down as a midlayer?
Yes, especially in cold, dry conditions, pair it with a shell for protection.
How should I wash midlayers?
Follow the care label. Use mild detergent, avoid fabric softener, and dry as recommended
Are hybrid pieces better?
They’re great if you want a balance of warmth and breathability in changing weather.
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