Best Mates is a great emote skin that you should check when you participate in Fortnite Battle Royale game.
Find the most appropriate friend now
How to get
You will obtain one when you achieve Tier 63 of the Season 3 Battle Pass.
You can select it in the Locker before you activate it in the match.
Best Mates is a reference to a video by ThePruld, “When you go dark souls with your best mates”