The Putrid Polarity skin is an Epic Fortnite outfit. Putrid Polarity was available via the Item Shop for 1500 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite Putrid Polarity Outfit Details
Follow the bright light.
Fortnite Putrid Polarity Outfit PNG Images
Here is the PNG images of Putrid Polarity below!