You can purchase gift cards from all Intersports and from Intersport online store https://www.intersport.fi/fi/lahjakortit/
Gift cards can't be used as a payment method in the online store.
You can buy a gift card at every K-group store and it can be used as a payment method at these stores: K-Citymarket, K-Supermarket, K-Market (incl. Neste K-Market), Budget Sport, Intersport and K-Rauta.
The gift card is valid for 24 months and you can chose an amount between 10-500 euros.
The value of the gift card can be used all at once or even one euro at a time. You will see the gift cards balance on the receipt.