The Jett skin is an Rare Fortnite outfit. Jett was available via the Item Shop for 1200 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite Jett Skin Details
She missed band practice for this. Better make it good.
Fortnite Jett Skin PNG Images
Here is the PNG images of Jett below!