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Men's Base Layer Sizing
UK S M L XL XXL
Chest
Inches
CMs

37"
94

40"
102

43"
109

46"
117

49"
124
Waist
Inches
CMs

30"
76

32"
81

34"
86

36"
91

38"
97
Sleeve
Inches
CMs

33"
84

34"
86.5

35"
89

36"
91.5

36.5"
92.5
EU
USA
46
36
48
38
50
40
52
42
54
44

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:
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.
Sleeve - With your arms relaxed by your side, tilt your head down and ask a friend to measure from the bone at the base of your neck, over your shoulder and down your arm to the fold at your wrist.

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:
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.
Sleeve - With your arms relaxed by your side, tilt your head down and ask a friend to measure from the bone at the base of your neck, over your shoulder and down your arm to the fold at your wrist.

Fit Guide
Tight Slim Regular Relaxed
Close fitting designed to conform to your body shape. 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.
Fit Guide
Tight Slim
Close fitting designed to conform to your body shape. Slim and slightly contoured but not form fitting.
Regular Relaxed
A comfortable fit that's not too tight, nor too loose. A looser fit with a bit more space but not too baggy.

Standard delivery to UK addresses is free over £29.


Next Day deliveries will be shipped same day if you place your order before 2pm Monday - Friday.


If you are not happy or have changed your mind you can return your unused product within 123 days of placing the order for a refund. Simply return it to us, free of charge, with all the original packaging.

Description

Lightweight, high-wicking, breathable, and with anti-smell Polygiene ™ technology? What doesn't the Koulin Trail Tee have?

A durable, breathable, wicking, quick-drying base layer and with Polygiene ™ technology; the Koulin Trail Tee is suited to activities where your work rate is high and your skin glistens with little beads of sweat!

Body mapped mesh panels are designed to maximise breathability and flatlock seams ensure comfort, particularly when worn under other garments or with a rucksack.

A handy pocket on the back of the tee sized to keep your credit card or key safe without letting it bounce around and cause discomfort.

Reflective logos help keep you safe if you are still out when the sun goes down. Now you have no excuse not to ditch your cotton t-shirt when you head out into the hills!

Features

Key Features

  • Polygiene ™ odour eliminating technology
  • Body-mapped mesh panels maximise breathability
  • Flatlocked seams for comfort
  • Moisture-wicking and durable
  • Reflective logo
  • Discrete rear card/ key pocket
  • 3 Year Alpine Bond

Vital stats

Fit

Slim

Construction

Main Fabric: 100% polyester 150 gsm
Panel Fabric: 100% polyester mesh 110 gsm
Polygiene ™ Technology

Weight

S: 130 g; M: 140 g; L: 145 g; XL 150 g; XXL: 165 g

Origin: China

Sustainability and Product Care

Product Care Information

The Koulin Trail Tee has been treated with Polygiene® Stay Fresh technology, meaning you can wear it for longer before it starts to whiff.

When your tee does start to pong, wash it at 40°C. Don’t use fabric softeners or conditioners though – these stop your tee from wicking as well.

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.

Sustainability

How It Is Made

Wear 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!​

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.