Which size should I choose?

Choose your usual size: this t-shirt fits true to size. The size guide on the product page gives the height in cm and body weight for each size.

What season is it suitable for?

It is designed for the changing seasons, early starts and higher altitudes, when the air is cool but the effort is still intense. Its fabric is lightweight: in very cold conditions, add a warmer layer over it.

How should I wear this t-shirt?

Next to your skin on every trail outing, from daily training to races.

Are they suitable for hiking?

Yes. It works for trail running and hiking, whether the outing is short and fast or long: the long sleeves cover your arms when the air is cool, without adding weight to your pack or outfit.

How should I care for them?

Wash it at 30 °C maximum, without fabric softener: it clogs the fabric’s micropores and prevents sweat from escaping. Air dry it and avoid tumble drying. If in doubt, follow the care label.

Does it retain odours?

Its CIMAFRESH antibacterial treatment inhibits the bacteria responsible for unpleasant odours and is designed to remain effective after several washes. It reduces odours but does not eliminate them.

What is it made from?

The main fabric is 100% recycled polyester; the ribbed trims are 100% polyester. Like all synthetic clothing, it releases plastic microfibres into the environment when washed.

Garment assembly, weaving or knitting, and dyeing take place in China.

What are the delivery times for this product?

All orders placed by midnight are prepared the next day. In France, orders placed before 1 pm (excluding weekends) with Chronopost 24h are dispatched the same day. Delivery then depends on the carrier and takes 1 to 4 days in France. Delivery times for Europe and the rest of the world vary by destination.

Can I return the item if the size doesn't fit?

Yes, absolutely. You have 30 days to return it and get a refund or an exchange. Return shipping is free. The item must be new, unworn, unwashed, and have its original tag.

T-shirt trail long-sleeve men's BAUGES LS H

49,90 €

11 reviews

Antibacterial

quick-drying

Ultra-light

110 g (size M)

Grey

Delivered from Thu 12 Nov.

Free returns within 30 days

Available in several versions

Men Women

Half-zip Short sleeves Long sleeves Vest

Free repairs for life

By La Réparerie, our repair service.

Complete your outfit

RUN LOW

Merino wool trail socks - low cut

14,90 €

X2-LONG

Double-layer blister-prevention trekking socks

16,90 €

BAUGES LS

49,90 €

11 reviews

Delivered from Thu 12 Nov.

Free returns within 30 days

Who did we design it for?

For trail runners and hikers who want their arms covered without extra weight: between seasons, at a chilly dawn or on outings at altitude.

How much do they weigh?

110g in size M: an ultra-lightweight long-sleeved t-shirt that feels barely there against the skin.

How breathable is it?

Its breathable knit lets air circulate, even under the long sleeves, and wicks away sweat. It dries quickly.

What makes it different?

Our CIMAFRESH technology is an antibacterial treatment that helps limit odours during activity and is designed to stay effective after repeated washes.

Its performance

Breathability

Drying time

Quick

Lightweight

110 g (M)

Stretch

Slightly stretchy fabric

Ideal for

Trail running

Ultra-trail

Fast hiking

Hiking

The lightweight top for cool mornings

In the shoulder seasons or at dawn, conditions change fast. A cool start, rising sun, exposed sections or wind-swept stretches.

This long-sleeved t-shirt covers your arms without weighing you down. Its lightweight knit lets air circulate, wicks away sweat and moves with you.

Stay comfortable from the first kilometre to the last.

Key features

Lightweight long sleeves

- Arms covered in cool weather, without extra weight.

Maximum breathability

- Highly breathable fabric that wicks away moisture effectively,
- Quick-drying to reduce the damp feeling during intense activity.

Freedom of movement

- Natural, unrestricted movement while running,
- Slightly stretchy fabric that moves with your arms.

Reflective elements

- Enhanced visibility during night-time outings.

CIMAFRESH Technology

durable freshness and odour reduction during activity.

Antibacterial action : limits the growth of bacteria responsible for unpleasant odours.
Long-lasting freshness : allows the garment to be worn longer without any feeling of discomfort.
Lasting comfort: treatment* discreet, odourless, without affecting the breathability or feel of the fabric.

CIMAFRESH technology is designed to maintain its effectiveness over time, even after multiple washes, contributing to more durable garment use.

*Antibacterial treatment based on silver chloride (biocidal product).

Details

Specifications

Weight

110g (M)

Brand

Cimalp

Breathability

Total breathability

Fabrics

Main fabric: 100% recycled Polyester; ribbed trim: 100% Polyester

Insulation

ALL SEASONS

Size type

Men's Top

Traceability

Product sheet relating to environmental qualities and characteristics
Manufacturing: China
Weaving/Knitting: China
Dyeing/Printing: China
Releases plastic microfibres into the environment when washed

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Reviews

5.0

Based on 11 reviews

5

100%

4

0%

3

0%

2

0%

1

0%

Customers recommend the usual size

Comfort

Breathability

Quick-drying

In summary This content is written by AI

Customers are won over by its lightness and comfort, which feel especially pleasant next to the skin, as well as by its very fast drying. One customer measuring 1.83 m finds the fit just right, while others wear it for hiking, in town or for Nordic walking. It also slips easily into a backpack or works as an extra layer over a short-sleeved T-shirt for hiking and skiing. Ideal for mid-season and cooler summer evenings.

Georges D.

Verified customer

Height 163cm Usually wears S Ordered size S Ordered color Turquoise

Translated review

29/10/2026

Very pleasant to wear against the skin, dries very quickly.

Térence J.

Verified customer

Usually wears XXL Ordered size 3XL Ordered color Gris Usage Trail running, Ski de fond

Translated review

30/10/2026

Ultra comfortable and very lightweight.