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