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Koulin Trail Short
$39.99 $49.99
When it’s hot out or the hills call for speed, Koulin Trail Shorts are the pair you reach for. Lightweight, breathable and built to move with you, they’re made for long summer runs, fell dashes and big days when you want to forget what you’re wearing and just go.
Run Light. Run Free.
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Soft, fast-drying outer with breathable mesh liner
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Active cut with stretch and split hem for full range of motion
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Polygiene® odour control means fewer washes, more runs
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Handy storage: two side mesh stash pockets + zipped rear
Comfort You Can Count On
These are shorts that just work. The outer fabric dries fast and feels barely there. The built-in mesh liner stays breathable, wicks sweat and keeps things comfy — even when it’s muggy, humid or you're grinding up a long hill.
The fit is flattering but not tight, the hem is split for extra freedom, and there’s enough stretch to stride it out or scramble without snag or ride-up. Side mesh pockets take snacks or gloves, and the zipped back pocket secures your key or card without bounce.
Tried, Tested, Trail Trusted
“Great fit, they don’t ride up, breathable inner short with nice wide waist. I like the side pockets for phone/gels.” – Heather
“Really comfy shorts for trail running. Lightweight and easy to run in.” – Kat
“The only shorts I’ve ever worn that don’t ride up. Super comfy, great phone pocket.” – Ellie W.
Lower Impact by Design
Koulin Trail Shorts are made using Polygiene® odour control — which means fewer washes and longer wear between runs. Built to last, easy to rinse and quick to dry, they’re part of our Continuum repair and recycling programme when their adventure days are done.
Features
Product overview
- Lightweight, stretchy material
- Moisture wicking and fast drying
- Soft breathable mesh lining
- Polygiene® odour control treatment
- Active cut with split hem for freedom of movement
- Two mesh stash pockets and zipped rear pocket for valuables
- Elasticated waistband with drawcord adjustment
- 3 year Alpine Bond
Technical details
Construction
Outer: 120gsm, 92% polyester/8% elastane
Lining: 110gsm, 88% polyester/12% elastane
Fit:
Slim
Weight:
145g (size 10)
Origin
China
Sustainability and Product Care
Repairs
We have dedicated Repair Stations in our stores and we're fully equipped to breathe new life into your old kit. This includes spare parts, patches, new zips and wash and reproofing of your down and waterproofs. Pop into any store or contact us online for more info.
Alpine Bond
If one of our products does not meet your expectations upon delivery, or if during its lifetime does not live up to the demands placed upon it, please return it to us for repair, replacement or refund. If the problem is our fault then we will do this to your satisfaction. If it’s your fault then we will help out the best we can. Find out more about our Alpine Bond here.
How It Is Made
Wear more, wash less
Polygiene® Stay Fresh technology inhibits the growth of bacteria, extending your shorts' lifespan and meaning you can wear it more and wash it less. Wearing your shorts just one more time before washing can save huge amounts of CO₂ and water over its lifespan
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.
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Vayper Short Sleeve [Womens]
Delivery is free over $99.
All duties and import charges are covered by Alpkit on products of UK origin. This includes the 10% universal import duty and
reciprocal tariffs, announced on the 11th April 2025. Customers who wish to proceed with a purchase can contact us directly via email at support@alpkit.com
to obtain a delivered price, inclusive of all applicable tariffs.
| Women's Shorts Sizing | ||||||||
|---|---|---|---|---|---|---|---|---|
| UK | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
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Waist Inches CMs |
23" 59 |
25" 64 |
27" 69 |
29" 74 |
31" 79 |
33" 84 |
35" 89 |
38" 96 |
|
Hips Inches CMs |
33" 84 |
35" 89 |
37" 94 |
39" 99 |
41" 104 |
43" 109 |
45" 114 |
48" 122 |
| EU | 34 | 36 | 38 | 40 | 42 | 44 | 46 | 48 |
| USA | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
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:Waist - Measure around your waist at the narrowest part.
Hips - Standing with your feet together, measure around your hips at the widest part.
Fit Guide
Tight
Close fitting designed to conform to your body shape.
Slim
Slim and slightly contoured but not form fitting.
Regular
A comfortable fit that's not too tight, nor too loose.
Relaxed
A looser fit with a bit more space but not too baggy.