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February 12, 2020 2 Comments
With fingers crossed for more wet weather in Canberra, we introduce the New Mont Ultralight Highplains Jacket. An ultralight long length shell jacket made with new ultralight 3-layer fabric technology; more waterproof, more durable and more breathable than previously used ultralight waterproof fabrics.
The Highplains Jacket is available in Men's and Women's and two colours in each. Weighing in at only 340g (Men's Medium) and 310g (Women's 12) the Highplains jackets are ideal for travel and ultralight bushwalking.
By combining an ultralight 3-layer waterproof fabric with Mont's beloved thigh-length fit, the Highplains Jacket provides comprehensive protection at a fraction of the weight of a traditional 3/4 jacket.
Hydronaute Ultra provides and maintains consistent breathable, waterproof, windproof protection across a wide range of conditions.


Hydronaute Ultra uses an innovative ultralight microporous laminated PU (Polyurethane) membrane. Breathable through interconnected micropores far smaller in size and greater in number than the micropores in traditional microporous PU coatings, Hydronaute Ultra moves both moisture vapour and condensed moisture efficiently in both high and low level humidity; unlike traditional porous PU membranes that typically struggle expelling condensed moisture.
Hydronaute Ultra is more breathable across a wider range of conditions while maintaining a totally waterproof, windproof exterior.
Shop Women's Highplains Shop Men's HighplainsDecember 30, 2022
Hi,
What are the breathability and waterproof specs of this fabric?
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December 15, 2025
We were probably twenty electrolyte tablets deep each, feeling more like science experiments than cyclists. Add in sketchy tarmac with trucks roaring past, hogging the whole shoulder, and you had a section that demanded laser-sharp focus…
October 31, 2025
I had brought my Mont Helium 680 with me. A luxurious bag rated to -12°C for warm sleepers, it is perfectly suited to Tasmania’s cooler months. Ice crusted the ground and tent the next morning and checking my temperature sensor I was surprised to see that the temperature had dropped to -7.7°C overnight. That is remarkably cool for late October in Tassie!
October 20, 2025 2 Comments
At Mont Adventure Equipment, we believe that quality gear, people, and the planet deserve care. That’s why we only participate in only one yearly sale event that falls on Black Friday.
Pam
August 09, 2023
I have the same questions as John – the breathability and waterproof specs of the fabric. Also, the blurb says it is not suitable for a heavy backpack. What is a heavy backpack. I normally carry between 11 – 15kgs. Is that heavy?
Thanks