Naomi Osaka's 3-D floral Nike tennis dress is already selling out before she even hits the grass court. Here's where you can still find it.

While Wimbledon continues to enforce its famous clothing rules, fashion remains an enduring part of the tournament's identity.

Naomi Osaka's 3-D floral Nike tennis dress is already selling out before she even hits the grass court. Here's where you can still find it.