What are the delivery times for this product?

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.

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.

Gelas F - Women's SmartWarm thermal regulating base layer

59,90 €

75 reviews

Insulating

Antibacterial

Lifetime repair

180g

Turquoise

Delivered from Tue 20 Oct.

Free returns within 30 days

Available in several versions

Men Women

Crew neck Half-zip

Free repairs for life

By La Réparerie, our repair service.

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GELAS F

59,90 €

75 reviews

Delivered from Tue 20 Oct.

Free returns within 30 days

Who did we design it for?

For women practising active sports in cold conditions - trail, winter running, cross-country skiing - who refuse to choose between warmth and freedom of movement.

This jersey was designed for outings when the temperature drops but theeffort remains intense: snowy trail races, back-to-back ascents in cold weather, early morning training in the mountains.

A demanding athlete when it comes to her thermal base layer knows that a jersey that's too heavy slows you down, and one that's too thin lets the cold creep in. She's looking for the exact balance between cold protection and breathability during effort.

How should you wear it?

Wear as a base layer next to the skin to maximise moisture transfer. Its close-fitting cut maintains thermal contact. Layer under a windproof jacket or a fleece depending on the intensity of the cold.

What makes the difference?

Its warmth-to-weight ratio of 180g thanks to SmartWarm® insulating fibres. Active warmth that doesn't weigh down your stride, even in severe cold.

Its performance

Breathability

Drying time

Quick

Lightweight

180g

Stretch

Stretch fabric

Ideal for

Hiking

Trail running

Warmth that matches your pace

In cold weather, intense effort creates a paradox. Your body overheats on the inside, the cold bites on the outside. A jersey that's too thick traps sweat. One that's too thin lets the chill seep in. The wrong balance turns every outing into a battle.

This jersey was designed to sustain active warmth without ever saturating. It manages surges in intensity by wicking moisture throughout your effort, while maintaining consistent insulation against the cold. Its stretchy construction adapts to every movement — stride, surge, uphill push — without restriction.

Because in cold conditions, real performance starts with uncompromising thermal regulation.

Key features

Thumb loop and integrated pocket

- Thumbhole to protect wrists from cold and wind,
- Zipped back Pocket + reflective prints for safety.

Stretch fabrics

- Its fabric offers increased stretch and frees your movements for even greater comfort and performance.

Anti-odour treatment

- Its treatment effectively limits odours and bacteria.

SMARTWARM® fibres

- They provide a genuine feeling of warmth, comfort and softness against the skin.

POLYGIENE® StayFresh technology

CIMAFLEX Technology

Contrôle durable des odeurs pour un confort prolongé pendant l’activité.

Technologie anti-odeurs : limite le développement des bactéries responsables des mauvaises odeurs.
Entretien réduit : permet d’espacer les lavages et de prolonger l’usage du vêtement.
Confort préservé : traitement intégré qui n’altère ni la respirabilité ni le toucher du textile.

Développée par Polygiene®, spécialiste des technologies de contrôle des odeurs, la technologie POLYGIENE® STAYFRESH™ assure durabilité et efficacité dans le temps.

Freedom of movement and light protection for outdoor activities.

Comfortable stretch: stretch fabric that follows natural movements without restriction.
Water-repellent protection: limits the penetration of light moisture and splashes.
Easy to wear: comfortable material that promotes ease of movement during outdoor activities.

CIMAFLEX technology prioritises durable materials to ensure long-lasting performance and shape retention over time.

Details

Specifications

Weight

180g

Brand

Cimalp

Breathability

Total breathability

Insulation

Warm

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 when washed

Reviews

4.9

Based on 75 reviews

5

94%

4

5%

3

0%

2

0%

1

0%

Customers recommend the usual size

In summary This content is written by AI

Customers appreciate its softness, comfort and quality, which is often described as excellent. Lightweight and pleasant to wear, it keeps you warm without making you sweat while remaining sufficiently breathable: several customers use it for running in cool weather or for winter sports, and some wear it as a base layer. Its moderate warmth makes it versatile across seasons. Choosing tip: it can run slightly large; check the fit or size down for a closer fit.

Marion.L

Verified customer

Ordered size S Ordered color Noir

Translated review

13/02/2025

A warm and breathable jersey that doesn't trap sweat and cause you to cool down too quickly when you stop. A great basic for winter sports.

suzanne.c

Verified customer

Ordered size S Ordered color Vert

Translated review

23/10/2024

Very good. Beautiful color. Very lightweight. Comfortable. Pleasant to wear. I could have gone down a size, but it's not a big deal. Perfect!