Mens Merino
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  • alpkit men's kepler short sleeve
  • alpkit mens kepler short sleeve merino Baselayers in charcoal grey black front
  • alpkit mens kepler short sleeve merino Baselayers in charcoal grey black rear
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  • alpkit mens kepler short sleeve merino Baselayers in navy blue
  • Kepler Short Sleeve [Mens]
  • Kepler Short Sleeve [Mens]
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  • alpkit mens kepler short sleeve merino Baselayers in charcoal grey black
  • alpkit men's kepler short sleeve
  • alpkit mens kepler short sleeve merino Baselayers in charcoal grey black front
  • alpkit mens kepler short sleeve merino Baselayers in charcoal grey black rear
  • alpkit mens kepler short sleeve merino Baselayers in charcoal grey black logo
  • alpkit mens Kepler merino short sleeve baselayer in navy blue - closed
  • alpkit mens kepler short sleeve merino Baselayers in navy blue
  • alpkit mens keeper merino short sleeve base layer in charcoal grey - closed
  • Kepler Short Sleeve [Mens]
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  • Kepler Short Sleeve [Mens]
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Merino

Kepler Short Sleeve

Short sleeve merino base layer

$69.99

Comfortable, breathable and odour-resistant base layer made from pure merino wool for hiking, riding, running and climbing
  • Size
  • Colour
    • Kepler Short Sleeve [Mens]
    • alpkit mens kepler short sleeve merino Baselayers in navy blue
    • alpkit mens kepler short sleeve merino Baselayers in charcoal grey black

Pre-order now for despatch from . We'll keep you up-to-date with your order progress and despatch as soon as it is available.

  • 3-Year Guarantee

  • Free Delivery over $99

  • Free Returns

  • All Duties, Taxes & Tariffs Paid on UK origin products

Kepler Men’s Short Sleeve – nature’s original technical base layer. Kepler is made from 100% pure merino wool — soft, breathable and built to perform, with zero synthetic fibres to get in the way. Just natural temperature regulation, pong-free freshness and all-day comfort, straight from the source.

Supernatural comfort. No-fuss performance.

  • Pure merino wool – warm when it’s cool, cool when it’s warm

  • Naturally odour-resistant – wear for days without washing

  • Ultrafine fibres (17.2 microns) – soft on skin, never itchy

For early starts, long days and everything between

Kepler Short Sleeve is a go-to for hiking, running, bikepacking or everyday layering. The 160gsm fabric regulates heat across conditions — cool enough for summer efforts, warm enough for crisp morning starts. Its natural elasticity and low-profile seams make it ideal under a midlayer or pack, and the pure merino construction means it won’t hold odour even after heavy use.

Soft, breathable and itch-free, Kepler gives you reliable comfort without the bulk — and without the need to overpack or overwash.

Lower impact. Longer lasting. Naturally better.

Kepler is made from 100% non-mulesed merino wool, certified to the Responsible Wool Standard. It’s renewable, traceable, biodegradable — and backed by our 3-Year Alpine Bond. Wear more. Wash less. Go further.

Features

Key Features

  • Breathable, wicking and temperature-regulating for all-day comfort
  • Pure merino wool has a high warmth-to-weight ratio
  • Naturally odour-resistant for wearing on multiple days without washing
  • Ultrafine merino wool fibres are soft and fast-drying
  • Anatomical cut and flatlock seams layer well and are comfy under straps
  • 3 Year Alpine Bond

Vital stats

Fit

Slim

Construction

Fabric: 100% merino, 160 gsm, 17.2 microns
Seams: Flatlock stitching

Weight

S: 140g; M: 160g; L: 170g; XL:175g; XXL: 195g

Origin: China

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

34"

88


37"
94

40"
102

43"
109

46"
117

49"
124
Waist
Inches
CMs

28"

71


30"
76

32"
81

34"
86

36"
91

38"
97
Sleeve
Inches
CMs

32"

81.5


33"
84

34"
86.5

35"
89

36"
91.5

36.5"
92.5
EU
USA

44

34

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.

Fit Guide

Tight

Close fitting designed to conform to your body.

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.