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W900 Girl's Breathable Gym Shorts

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Regular price Regular price: $18.00 Sale price Regular price:

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A photo of the W900 Girl's Breathable Gym Shorts in use

W900 Girl's Breathable Gym Shorts
doing physical education and sports activities that make you work up a sweat.

Shorts that stay in place thanks to the built-in undershorts Undershorts have a mid-thigh length These shorts stay in place during all movement Elasticated waistband

Moisture management

Undershorts offer excellent perspiration wickingVentilated areas. Quick drying


Ultra-lightweight shortsBoth fabrics each weigh 130 g/m²


Slim fitUndershorts with elastane for coverage during all movements


Product Reviews

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18 review(s)
Write review W900 Girl's Breathable Gym Shorts
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comfortable, Good quality fabric

best buy


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Lovely shorts

I have the adults shorts of similar and my daughter kept asking for a pair she loves them and they look really nice on her fit true to size

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This is a great pair of shorts. My daughter loves them. I also bought in another color. It has undershorts which is great!

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Girl's shorts

Great light shorts. My daughter loves them as they have undershorts. Would definitely buy them fact I bought them also in black and white colour!

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Good and very nice to wear

Nice to wear as when wore not that hot

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Hello Stephen, 

Thank you for your feedback.

Decathlonians greatly appreciate your feedback.

We hope to have you back shopping with us and remain truly satisfied as that is our main mission :)

Stay safe and take care  

Stojan Budimirovic

Fitness Department Manager


Comfortable and nice design

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Hi Seah,

Thank you for submitting your review! I am glad to hear that you love this Girls' Breathable Double Gym Shorts W500 - Black Print.

Did you know? Our sport sessions are available for all our Decathlon Members and they are FREE :) Come sweat it out with us in yoga, pilates, functional training, kick-boxing HIIT and more! Sign up directly on our website: click HERE

I look forward to welcoming you soon in Decathlon! :)

Sport on safely!


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Nice one

My 7 y.o daughter totally love these shorts...very comfortable n fabric too is very good

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Nice Quality

Sporty look

Good stuff

I bought it for my daughter. Excellent for medium to intense workout....excellent quality

Amazing shorts

Amazing daughter loves them!

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Very Comfortable

Very comfortable

Fully Satisfied

Comfortable and classy look

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Breathable Gym Shorts W500

Light weight and comfortable. Value for money.

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Hi WeyLee, 

Thank you for your review on our 500 range shorts. 
We have increased the size grid for our kids range so that smaller sized adults are able to wear it as well :)
Glad to know you like the shorts. Hope to hear from you again! 

Fitness Team
Decathlon Joo Koon
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Product information


Inner fabric

  • 15% Elasthane
  • 85% Polyester

Main fabric

  • 14% Elasthane
  • 86% Polyester

Our gym clothing is designed for kids aged 6 to 14: up to 172 cm for boys and 166 cm for girls

Our range is designed for sports activities at school or a children's gym.According to recommendations by the World Health Organisation (WHO), children should do at least one hour of physical activity a day.The critical role of sport and its benefits for children's development and physical and mental well-being are proven: development of motor skills and agility, self-confidence, and belonging to a group

Physical education and sports activities allow children to burn off their energy and explore all the physical possibilities available to them: jumping, finding their balance, doing a series of movements and tricksMoving, having fun, and enjoying sports with friends, all while following the rules of teamwork: gym is accessible and has many benefits that both you and your child will enjoy!

The domyos product design process:

Our design teams work towards this single goal: providing a perfect balance of perspiration wicking, warmth and the need for stretch based on the needs of our young sports users.Your child will be able to choose their full gym outfit: T-shirt, tank top, leggings, bottoms, shorts, sweatshirt, and jacket.

A new sizing for children's clothing for physical education and sports beginning in january 2019:

We have improved the sizing on our clothing for ages 6 to 14.We present each product with its age range as well as the height of the child. We know that there are vast differences in height for children of the same age. Feel free to measure your child to see which model will fit them.We also offer an additional size for ages 14-15, to fit pre-teens: boys up to 172cm and girls up to 166cm

did you know?

Our products are regularly tested and we make changes based on customer feedback.

Why wear shorts with built-in undershorts?

Gym activities require a number of movements with the legs apart (lunges, stretches, etc.) or upside-down movements (e.g., balancing, core work). Shorts can come up and show your underwear.The built-in undershorts let you move every which way without having to worry about staying covered.These shorts keep children free to move however they like.

Did you know?

Our products are regularly tested and we make changes based on customer feedback.

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