Merino Base Layers

Mens 100% Merino Wool Base Layers

Wilderness Wear has been designing and making base layer tops and leggings from our home in Melbourne since 1989. Made from 100% pure Australian merino wool, this sustainable clothing product is perfect for a wide range of recreational pursuits. Our range comes in four different weights, each suitable for a different temperature rating, so give this careful consideration when choosing your layering system.

Cumulo Merino Ultralight  
Made from 100%, Australian, 17.5 micron “Superfine” merino wool, Cumulo Merino  base layers are styled, fitted and crafted to enable high level insulation, moisture wicking, mobility comfort and a touch that is sensitive to the skin. Suitable for recreational, exercise, travel, sporting or occupational activities down to single digit degree celcius temperatures.

Merino Light 
The Light Merino base layer thermal is a premium material technical garment designed and produced to provide protection in cool to moderate weather conditions.

Merino Mid 
The midpoint in weights of the Wilderness Wear Australia Merino wool thermal active wear, the Merino Mid base layer is a premium material technical garment designed and produced to provide a broad range of protection from a wide range of challenging weather conditions.

Merino Max 
The heaviest of the four weights of Wilderness Wear Merino Wool active wear, the Merino Max base layer thermal is a premium material technical garment designed and produced to provide the utmost in protection from moderate to extreme, hazardous, cold conditions.

Men’s Merino Wool Base Layers – FAQs

Q: How should a base layer fit?
A: Your base layer should sit close to the skin for best performance — snug enough to wick away sweat and hold warmth, but never so tight that it restricts movement. Think of it as a comfortable, flexible “second skin” that moves easily with your body.

Q: Is there a difference between base layers and thermals?
A: Not really. Both are designed to do the same thing — help you stay warm and dry by holding in body heat while drawing moisture away from your skin. “Base layer” is the more modern term, commonly used for technical or outdoor wear, while “thermals” is the older name often used for heavier, cold-weather garments.

Q: Can I wear a base layer on its own?
A: Absolutely. Wilderness Wear base layers are made to look as good as they feel. On milder days or during high-intensity activity, they can be worn solo for lightweight comfort and freedom of movement — perfect for hiking, running, or just relaxing outdoors.