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  • Jeanius [Mens]
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  • Jeanius [Mens]
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  • alpkit jeanius mens jeans in blue
  • Jeanius [Mens]
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Cordura® jeans


Slim-fit jeans with hidden superpowers. Stretchy, extra tough Cordura® denim with a moisture-wicking and insulating fabric blend
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  • Length
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Pre-order now for 18th October delivery. We'll keep you up-to-date with your order progress and despatch as soon as it is available.

  • Free Delivery over £50

  • Free Returns

Jeanius are a pair of jeans to rule them all. Slim-fit jeans to climb, walk and ride. They may look and feel just like regular jeans but they have hidden superpowers.

Jeanius are a slim-fit jean tailored for activity with subtly articulated knees and a diamond-shape gusseted crotch. Their fit means you can still see your feet when climbing and won’t risk catching them on a bike, but they’ll still be smart enough to wear out for dinner later. With BCI-certified sustainable cotton and four different fabric technologies, these aren’t your average pair of jeans either...

Our unique denim blend is designed to let your legs express themselves freely, whether striding determinedly up hillsides or contorting into awkward bouldering moves. T400® polyester provides a superabundance of stretch and instant comfort, without sacrificing the natural denim feel. Plus it stops them losing their shape over time.

Cordura® fibres greatly increase the durability and makes your jeans last longer. No need to worry about scuffs, scrapes and tumbles with a truly bomber fabric that’s at least 4x tougher than regular cotton denim.

They’re comfortable in a wide range of temperatures too, thanks to the final two ingrediensts. Coolmax® All Season polyester wicks moisture to keep you cool and dry when you start to work up a sweat and Thermolite® hollow core fibres trap still air to keep you warm when the temperature drops.


Key Features

  • Cordura® denim is 4x more durable than regular cotton denim with greater abrasion and tear resistance
  • Tailored to hike, bike and climb with 4-way stretch, articulated legs and a diamond shape gusseted crotch
  • Temperature regulating combo of Coolmax® All Season and Thermolite® Core keep you comfortable year-round
  • Moisture-managing Coolmax® All Season wicks away sweat to keep you dry
  • Made from Better Cotton Initiative™ certified sustainable cotton
  • Slim fit legs allow you to see your feet better when climbing and are neater for cycling
  • Classic 5-pocket design including coin pocket and decent-sized front pockets
  • 3 Year Alpine Bond

Vital stats




Cordura Denim:
- 57% Better Cotton Initiative-certified cotton
- 12% Cordura® Nylon 6,6
- 9% Thermolite® Core polyester
- 9% Coolmax® All Season polyester
- 12% T400 Polyester
- 1% lycra

Synthetic leatherette patch on waistband (Vegan friendly)


M: 667g

Origin: China

Sustainability and Product Care


How It Is Made

Better Cotton Initiative
We’ve selected cotton certified by the Better Cotton Initiative, which ensures it is grown using sustainable methods. Cordura® makes the jeans 4x more durable; longer lasting clothing is replaced less frequently and reduces our environmental impact (and saves our pennies - win win!).

Where It Is Made
Our products are made in the best factories in the world. We know the factories personally and they have all signed up to our Code of Ethics in our supply chain. This includes the Ethical Trading Initiative base code, fair pay, safe working environments, no child labour, no modern slavery, no bribery or corruption, no materials from conflict zones and humane farming methods.

All our factories sign up to our Code of Conduct. Find out where we make our product by visiting our Factories of Alpkit factory zone.

Reducing our carbon footprint
We are carbon neutral under PAS2060 and offset our Scope 1, Scope 2 and Scope 3 operations and transport emissions. We recognise that offsetting is not part of the solution but a point to pass through on a journey to Net Zero. Carbon Neutral is just a step in that journey.

We have joined the Science Based Targets Initiative which sets independent targets for us to achieve to do our bit to limit global warming to 1.5°C. Our targets are to halve our Scope 1 and Scope 2 emissions by 2025 based on 2018 base year and reduce our total carbon intesnity by 15% every year to achieve genuine net zero by 2050.

End of life
When your partnership with this product is over send it back to us and we will pass it on to someone that needs it through our Continuum Project.

Men's trousers size guide

Size X-Small Small Medium Large X-Large XX-large
Inches 28 30 32 34 36 38
CMs 71 76 81 86 91.5 96.5
EU 44 46 48 50 52 54
US 34 36 38 40 42 44

Inside leg
Length Short Regular Long
Inches 30 32 34
CMs 76 81 86

How to measure

This size chart indicates the body measurements our garments are designed to fit. Measure yourself as described below and use the size chart to find your size.


Measure around your waist at the narrowest part.

Inside leg

Measure the inside of your leg from the crotch to the floor.

Fit Guide


Close fitting designed to conform to your body.


Slim and slightly contoured but not form fitting.


A comfortable fit that's not too tight, nor too loose.


A looser fit with a bit more space but not too baggy.