Hi Sebastian,
The brands you are looking for a quite difficult to source wholesale let alone dropshipping. Please note that big sports brands like Nike have gone through all the necessary means to protect their brand and products, limiting sales only through authorized dealers or stores. You may often chance upon these through liquidations although usually styles may be out dated.
As suggested by Irene,
try Link hidden: Login to view They allow blind drop shipping.
Here are additional dropshippers you may want to check out:
Link hidden: Login to view
Link hidden: Login to view
All the best!