RS 900 Mid Sports Socks Tri-Pack - Black/White

Ref. : 8522790

EXPERT tennis players seeking socks providing support, durability, and maximum comfort.

Socks designed for sport, knitted with specific yarn to prevent blisters and provide comfort during matches. Sold in packs of 3.

Color: black

  • UK 2.5-5 EU35-38 undefined
  • UK 5.5-8 EU39-42 undefined
  • UK 8.5-11 EU43-46 undefined

Our services :

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

Products benefits

Abrasion resistance

The thick knit offers good resistance to wear.

Reduced chafing

Plush loops and the softness of combed cotton provide comfort. Ventilation zones


Snug fit at the midfoot. Elastic thread on the whole sock.

Technical information


Socks with thick plush loops under the foot to reduce the risk of blisters.
Two elastic threads are used on the entire sock for exceptional support of the foot and ankle (high-cut models).

Anatomic design

The "right" and "left" foot are specially knit to fit each foot.
Ventilation zones let your foot breathe better when wearing shoes.


Toe seam underneath the foot for comfort. The plush loop zone is thicker and softer, improving durability and comfort along the entire foot.


1 year

Product concept & technology

Product Composition

Socks 61% Cotton, 35% Polyamide, 4% Elastane


Before being used on tennis courts, our socks are put through numerous tests in the lab and on the court.
Lab tests are carried out to validate the following elements: toxicology, UV resistance, resistance to wear, accelerated ageing and resistance to repeated washing.
Field tests are performed to check our products in real-life playing conditions.

Maintenance advice

Machine wash - 30° max - normal

Do not bleach

Tumble dry - low heat

Do not iron

Do not dry-clean

User reviews

Questions & Answers