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Koulin Trail Long Sleeve Zip [Mens] zip neck base layer

Lightweight, long-sleeved, zip neck base layer with Polygiene ™ technology, for when breathability and moisture-wicking are key

Koulin Trail Long Sleeve Zip [Mens] in Fontainebleau blue
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£25.00

Options

  • Fontainebleau - Koulin Trail Long Sleeve Zip [Mens] in Fontainebleau blue
    Fontainebleau
  • Forest - Koulin Trail Long Sleeve Zip [Mens] in Forest green
    Forest
1. Colour / Size
Fitting guide
Fontainbleau
S M L XL XXL
Forest
S M L XL XXL

Please choose an option above

High-wicking, long-sleeved, zipped neck and with Polygiene ™ odour control technology? You couldn't ask for much more in a base layer…

This evolution of our much-loved Koulin base layer has long sleeves, giving you extra protection from the elements, coupled with a zip neck so that you can vent when you need to.

High-wicking and breathable, with body mapped mesh panels, the Koulin Trail Long Sleeve Zip is ideal for when you're working hard and, err, glistening with beads of sweat. Polygiene ™ treatment eliminates odours, so you'll be able to wear your Koulin to slog up those Alpine glaciers day after day.

Flatlocked seams ensure comfort, and a discrete, handy back pocket is ideal for stashing your keys, credit card, or jelly beans.

What is Polygiene?

Polygiene anti-odour treatmentWear more, wash less: it’s every busy adventurer’s dream…
We apply Polygiene™ to garments so that they smell less with wear and need washing less between use: ideal for that multi day getaway (and you’re doing your bit for the environment too).
 
Polygiene ™ is a silver based treatment that we apply during fabric production. The silver chloride prevents the growth of the bacteria that makes your clothes pong without interfering with the skin’s natural bacteria flora, so it’s comfortable and safe next to your skin. Polygiene ™ is bluesign ® approved (meeting the highest environmental standards) and lasts as long as your clothes do, so you’ll never need to reproof them.
 
The catch? There isn’t one! You can wear this garment day in, day out, and day back in again without causing a stink – winner!

Key features
  • 3 Year Alpine Bond
  • Polygiene ™ odour eliminating technology
  • Long zip neck for venting
  • Body-mapped mesh panels maximise breathability
  • Flatlocked seams for comfort
  • Moisture-wicking and durable
More images
  • Mens-ls-zip-font-1 - Pete wears the Fontainebleau Koulin in size Medium
  • Mens-ls-zip-forest-1 - The Forest Koulin in size Medium
  • Mens-ls-zip-font-2 - Side panelling acts as ventilation when you're working hard
  • Mens-ls-zip-font-3 - Handy stash pocket for keys, cards, or an energy bar
  • Mens-ls-zip-font-4 -
  • Mens-ls-zip-font-5 - Flatlock seams give great next-to-skin comfort
Vital stats
Construction

Fabric: 100% Polyester
Polygiene ™ Technology

Measurement

Weight: L: 200 g

Origin: China

Size chart
Men's sizing
S M L XL XXL
Chest (inches) 37" 40" 43" 46" 49"
Waist (inches) 30" 32" 34" 36" 38"
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.
Chest: measure around your chest at the widest part. The tape measure should pass under your arms, and be level from front to back.
Waist: measure around your waist at the narrowest part.
Hips: standing with your feet together, measure around your hips at the widest part.

Spotlights

Getting the Winter Miles in

Fighting off the winter lethargy and getting out into the hills with the Alpkit Running club

Read

Merino Wool vs. Synthetic

Designer Ronnie explains how to choose between synthetic and merino garments

Read

The base of all layering

Start from a good base from which to build up your flexible layering solutions

Read

Questions

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Free 2 day delivery to UK addresses is included in all orders so the price you see is the price you pay. Upgrade to next day at the checkout.

Free No hassle 123 Day Returns

Buy with confidence and if you are not happy, change your mind or want a swap for any reason then return it for free and we will exchange or refund no question. The price you see is the price you pay. Just return the kit as you receive it - in its original condition, unused, unworn, with original packaging and fit for resale.

Finance

We offer a range of finance options from 0% to 9.9% starting on orders over £500. Please give us a call on 01773 417007 to apply for finance. Our customer support heros will take your order and talk you through the quick and easy application process.

Alpine Bond

If one of our products does not meet your expectations upon delivery or, if it does not live up to the demands placed upon it, please return it within 3 years of purchase 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.

Reviews
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5 Reviews

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Andrew
Quality baselayer

Just had to pick up a few of the koulin baselayers in the spacemaker sale (men's & women's short and long sleeved versions.) The fit for both myself and my wife on both versions is great. Quality is up there with Montane/Rab and superior to berghuas based on my experience, and with polygeine treatment this is hard to beat in terms of cost. Looking forward to really putting them through their paces on the Hadrian's Wall path next month. Oh, and speedy delivery as usual. Thanks Alpkit!

Gary
Polygiene works

Just finished the way of the roses 170 mile route from Morecambe to Bridlindton wore this top everyday for 3 days and could you could hardly tell it had been worn from the smell and it was 20 degrees plus ,the size xl was a brilliant fit and the zip was just right for keeping you cool around the neck and chest area, arm length was also good and even rolled up it did not feel tight or uncomfortable well done done again Alpkit team.

Chumbeiro
Breathable and lightweight

Found the garment fits well and saw me through a recent 3 day Sandstone Way mtb trip. My issues are around stitching quality. A number if loose threads were apparent on delivery and some of the seam stitching just isn't straight. I expected better quality control.

Hoggyafc
Good but Small

This is a comfortable, well made base layer but I found the xxl to be very short in the body so I often end up showing off my lower back when I'm wearing it.

WHBY
Too short!

I don't like leaving a bad review for Alpkit, as generally I think they do very good gear and very good prices. In fact, they are my default "go-to" when I need new kit. However, this baselayer really lets them down.

First thoughts when I pulled it on were that it felt comfortable, but short. I then lifted my arms above my head and it rode up leaving my entire belly exposed. Not so good for scrambling. I can't comment on its performance when used as I returned it. I should add that I don't have an odd body shape and the dimensions in every other respect apart from length were fine. So this wasn't an issue of choosing the wrong size.

Alpkit, please make this about four inches longer and I would definitely re-buy. But (as much as I don't like saying it), as it is, it just doesn't work.