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  • Women's trail running T-shirts Women BOREON LS F
  • Women's trail running T-shirts Women BOREON LS F
  • Women's trail running T-shirts Women BOREON LS F

BOREON LS

Ultra-lightweight Technical Long-sleeve T-shirt CIMAFRESH - Women's

49,90 €

3 reviews

Sky
Delivered between 25 - 30 Sep.

Free returns within 30 days

Available in several versions

Men Women
Half-zip Short sleeves Long sleeves Vest

Our guarantee: we repair your gear for life

A repaired garment is a story extended. We ensure the longevity of your Cimalp equipment, season after season.

Who did we design it for?

Female trail runners looking for full arm coverage without compromising on lightweight. For those who rack up the kilometres in cool weather, at altitude or at the start of the season.

How should you wear it?

Worn next to the skin on all your trail outings, from daily training runs to race day.

Go with your usual size.

What makes the difference?

Cimafresh technology provides long-lasting antibacterial action for long outings without discomfort. 

Ultra-light for a long-sleeved trail top, it ventilates and dries quickly while limiting odours during the most demanding back-to-back efforts.

Its performance

Breathability

Lightweight

Quick-drying

Stretch

Ideal for

Trail running

Ultra-lightweight. Even in long sleeves.

In the shoulder season or at dawn, conditions can shift fast. Cool air at the start, stronger sun higher up, exposed ridges or wind-swept sections. The BOREON LS delivers continuous protection without compromising comfort. Its long sleeves provide a lightweight barrier against the elements, while its breathable fabric efficiently wicks moisture away. Its relaxed fit moves naturally with every stride.

Stay comfortable, from the first to the last kilometre.

Key features

    Protective long sleeves

    - Arm protection without added weight or overheating.

    Maximum breathability

    - Ultra-breathable mesh that efficiently wicks moisture,
    - quick-drying to stay dry even during intense effort.

    Total freedom

    - Natural, fluid freedom of movement while running,
    - No restriction on arm movements.

    Reflective elements

    - Enhanced visibility during night-time outings.

Antibacterial quick-drying Ultra-light Antibacterial quick-drying Ultra-light Antibacterial quick-drying Ultra-light Antibacterial quick-drying Ultra-light

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).

Specifications

Weight

95g (S)

Brand

Cimalp

Breathability

Total breathability

Insulation

ALL SEASONS

Size type

  • Women's Top

Traceability

Product sheet on environmental qualities and characteristics
Manufacturing: China
Weaving/Knitting: China
Dyeing/Printing: China
Releases plastic microfibres into the environment during washing

Reviews

5.0
Based on 3 reviews
5
100%
4
0%
3
0%
2
0%
1
0%
Customers recommend the usual size
Genevieve .K
Verified customer
Ordered size 2XS Ordered color Ciel
Translated review
17/04/2026

Très bon produit

Chantal.F
Verified customer
Ordered size 2XS Ordered color Ciel
Translated review
16/04/2026

Je suis super contente de cet achat.

Chantal.F
Verified customer
Ordered size 2XS Ordered color Ciel
Translated review
16/04/2026

Je suis super contente de cet achat.

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F.A.Q

We answer your questions

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Frequently asked questions Contact us

FAQ

Frequently asked questions

Wash at a maximum of 30°C. The golden rule for sportswear is to avoid fabric softener: it clogs the micro-pores of the fabric and blocks moisture wicking. Air drying is very quick — avoid the tumble dryer.

Yes, its synthetic fibres are designed to capture moisture and transfer it rapidly to the outside. The fabric dries extremely quickly, saving you from the unpleasant cold sensation caused by sweat during rest stops or on descents.

To limit this issue — common with synthetic fibres — our technical t-shirts feature a durable antibacterial treatment. It slows the growth of odour-causing bacteria, a real advantage on long outings.

If you place your order before 1 pm (excluding weekends), it will be dispatched the same day. Allow 2 to 4 working days for home delivery or collection point delivery within mainland France.

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.

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