The Double Helix skin comes with the Nintendo Switch Fortnite special promotion. Along with the Outfit, you also get 1,000 V-Bucks, Back Bling, Glider, and Pickaxe. Here's more information from Nintendo:
Fans of the hit free-to-play game Fortnite who are looking to play the game anytime and anywhere are in for a treat. On Oct. 5, a new Nintendo Switch bundle featuring special items from the game rockets into stores at a suggested retail price of $299.99. The Nintendo Switch: Fortnite – Double Helix Bundle includes a Nintendo Switch system, 1,000 V-bucks (in-game Fortnite currency) and the Double Helix Set, consisting of a unique Character Outfit, Back Bling, Glider and Pickaxe. The included V-Bucks can be used to purchase a Battle Pass, which unlocks additional in-game content, or can be used to purchase other in-game items.
- Rarity: Epic
- Type: Outfit
- Availability: Promotion
Double Helix's Attachments
Attachments are items that come with a cosmetic when a particular one is purchased.