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SALE
Kepler Boxers
$27.49 $39.99
Build your hiking or running base layer from the bottom up with the Kepler Boxers – breathable, wicking and odour-resistant Merino undercrackers.
- Corespun Merino fits better, keeps its shape and lasts longer
- Breathable and wicking Merino wool keeps you comfortable
- Naturally odour resistant for wearing more and washing less
The Kepler Boxers are made from corespun Merino wool for extra durability and comfort. Corespun Merino is made by wrapping a nylon and spandex thread with Merino fibres. This clever corespun fabric has all the benefits of standard Merino, but gives your boxers a better fit, helps them to keep their shape and extends their life. We only use super soft ultrafine Merino wool (17.5 microns) from certified non-mulesing farms.
There's no point covering yourself in technical outdoor gear if your cotton undies are going to get all damp and clammy. Merino wool is highly breathable, transporting your body’s moisture away from the skin to keep your nether regions comfortable underneath your walking trousers or running tights.
As an ‘active fibre’, Merino responds to temperature changes too. It controls the rate of evaporation to keep your bottom toasty in winter and cool in the height of summer. The Kepler Boxers use an active cut with flat-lock seams and a high, low-profile waistband to fit comfortably underneath various layers.
Merino wool is also naturally odour resistant. This means you get more uses out of your pants before consigning them to the wash bin. It also makes them ideal for multi-day backpacking trips - kinder on the planet and anyone you’re sharing a tent with!
Features
Key Features
- Highly breathable and wicking to keep you comfortable
- Corespun Merino wool for better durability, recovery and fit
- Merino wool helps to regulate your temperature across conditions
- Naturally odour resistant for wearing multiple times without washing
- Merino wool has a high warmth-to-weight ratio
- High, wide waistband and low-profile flatlock seams fit neatly under layers
- 3 Year Alpine Bond
Vital stats
Fit
Tight
Construction
Fabric: Corespun Merino wool - 86% Merino, 12% Nylon, 2% Spandex, 200 gsm
Merino wool:17.5 microns, ultrafine Merino wool sourced from certified non-mulesing Australian farms
Weight
Origin: China
Delivery is free over $99.
All duties and import charges are covered by Alpkit.
Men's shorts size guide
Size chart | ||||||
---|---|---|---|---|---|---|
UK | XS | S | M | L | XL | XXL |
Waist (in.) | 28 | 30 | 32 | 34 | 36 | 38 |
Waist (cm) | 71 | 76 | 81 | 86 | 91 | 97 |
EU | 44 | 46 | 48 | 50 | 52 | 54 |
US | 34 | 36 | 38 | 40 | 42 | 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.
Waist
Measure around your waist at the narrowest point.
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.