Kids’ seamless skiing thermal base layer bottoms I-Soft 900 - Navy / Beige

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Our team has developed this thermal base layer for kids. It offers a good compromise between warmth and breathability.

A base layer with unprecedented comfort thanks to its softness and its I-Soft technology (brushed fabric).

Color: asphalt blue / cappuccino beige

  • 6-8 Years undefined
  • 8-10 Years Out of Stock
  • 10-12 Years undefined
  • 12-14 Years Out of Stock

Our services :

  • Free delivery for Decathlon brands orders above $399
  • All Decathlon products are eligible for lifetime return

Products benefits

Moisture management

GOOD: intelligent bodymapping for effective transfer and fast drying.


AVERAGE: bodymapping integrated into brushed component for a feeling of warmth

Reduced chafing

Seamless Technology: fewer seams to reduce irritation.

Technical information

What type of fit are the BL 580 i-Band bottoms JUNIOR base layer?

The BL 580 I-band bottoms JUNIOR base layer come in SLIM fit. They stop below the knee to avoid overlapping layers (socks and underwear) creating folds in the ski boot, which may affect your child's comfort.
The asymmetric waistband gives an excellent fit around the waist.
It is a second skin with a slim fit that reduces friction.

What are the benefits of Polyamide?

Polyamide has the highest strength of all textile raw materials (even when wet) and is very stretchy.
It's breathable while managing moisture very well and provides good temperature regulation. These specially textured super-soft yarns give fabrics a silky, natural feel. Ideal for tight, seamless clothing.

Technical structure of the product

Thanks to its intelligent body mapping and its brushed polyamide fibre from I-SOFT technology, this second skin will guarantee a feeling of warmth evenly across the entire body, while also providing a feeling of warmth across the entire body, while also being quick drying.

Seamless knit (seamless)

Improve your performance with the 3d knit, adapted to your body, offering great freedom of movement, targeted ventilation and optimal comfort.
Push the limits of your sports clothing with a seamless design (seamless), open the way to new innovation and excellence technological.
Push the limits of your sports clothing thanks to our seamless technology.

This product is repairable

We commit to repairing your product free of charge for the duration of the warranty. Whatever it is, fixings, seams, etc. This service is offered in your usual store. However, if we can't repair your product (production defect), we will exchange it or reimburse you.


2 years

Product concept & technology

Product Composition

Main fabric 96% Polyamide, 4% Elastane


Dry thoroughly before storing.


All Wedze products are conceived, designed and developed in the Mont Blanc Valley. They are then tested under the same conditions as you would experience in real-life use (snow, cold, powder snow, etc.). The design teams ensure that the programme for which the product has been designed and developed matches perfectly with its use in the field.

Maintenance advice

Machine wash - 30° max - normal

Do not bleach

Do not tumble dry

Do not iron

Do not dry-clean

User reviews

Questions & Answers