Trailblazer is the title of an outfit skin in Fortnite Battle Royale. It is seen in the Second Twitch Prime Pack.
It is a costume for women.
It is also the part of the Advanced Forces Set.
How to get
It belongs to a promotional loot package from Fortnite BR and Twitch Prime.
You should be a Twitch Prime subscriber.
To redeem, you will link https://www.epicgames.com/fortnite/en-US/twitch-prime-pack
It is free for Twitch Prime members.
When you own the first Twitch Prime Pack, items from pack #2 may or may not automatically exist in the Locker. If it does not appear there, you can move to the twitch page to claim them.
Twitch Prime Pack 1
Twitch Prime Pack 2