This a list of official Destiny merchandise from bungie.net.
Backpacks
Banners
Bottles
Clothing
Hoodies
Shirts
Traveler T-Shirt (Left for men, right for women)
Decals
Holidays
Lithographs
The Buried City Lithograph
Limited Edition Fallen Lithograph
Posters
Posters come in all the Guardian classes.
Trading cards
The first five Destiny trading cards.