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Men's Base Layer Tops

Men’s 100% Merino Thermal Tops

Made in Melbourne – Premium Base Layer Thermal Tops

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, these sustainable thermal tops are perfect for a wide range of recreational and outdoor pursuits. Available in four different weights, each provides optimal performance for specific temperature ranges—choose carefully when building your layering system.

Merino Ultralight 150 – 150gsm: Made from 100% Australian, 17.5 micron “Superfine” Merino wool, Cumulo Merino 150 base layers are styled and fitted for high-level insulation, moisture-wicking, mobility, and skin-sensitive comfort. Ideal for recreational, exercise, travel, sporting, or occupational activities down to single-digit Celsius temperatures.

Merino Light – 160gsm: The lightest of the range, designed to provide protection and comfort in cool to moderate weather conditions.

Merino Mid – 220gsm: Mid-weight base layers offering a broad range of protection from challenging weather conditions, combining comfort and durability for outdoor adventures.

Merino Max – 300gsm: The heaviest weight, providing maximum warmth and protection in moderate to extreme cold conditions, ensuring comfort and safety in hazardous weather.


Frequently Asked Questions

What materials are used in these thermal tops?

All our Merino thermal tops are made from 100% pure Australian Merino wool, providing natural warmth, breathability, and moisture-wicking properties.

What are the differences between Ultralight, Light, Mid, and Max weights?

Ultralight 150gsm is ideal for single-digit Celsius conditions, Light 160gsm for cool to moderate weather, Mid 220gsm for a wide range of challenging conditions, and Max 300gsm for extreme cold protection.

Are these thermal tops suitable for outdoor sports?

Yes. They are designed for a variety of activities including skiing, hiking, running, cycling, and other outdoor or recreational pursuits.

Can I layer these tops with other base layers?

Absolutely. The four different weights allow you to layer effectively depending on the weather conditions and activity level.

Are these thermal tops Australian-made?

Yes. Wilderness Wear’s Merino thermal tops are designed and made in Melbourne, Australia, ensuring premium quality and sustainable production.