The Rebound Raider skin is an Epic Fortnite outfit. Rebound Raider was available via the Item Shop for 1500 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite Rebound Raider Outfit Details
It's all in the reflexes.
Fortnite Rebound Raider Outfit PNG Images
Here is the PNG images of Rebound Raider below!