The partnership is rooted in the North East, with Nike having enjoyed UK-based offices in Sunderland since 1982.
However, football kit designer, The Kit Factor, has taken Sunderland fans by storm on social media by designing several concept shirts that the world famous Nike could probably learn a thing or two from!
5. Sunderland x Inter Milan
This particular design draws on inspiration provided by Inter Milan's 2010-11 shirt. What do you make of it? | Other 3rd Party Photo: The Kit Factor
6. Another stunning design
Pretty nice. What do you think? | JPIMedia Photo: FootballKitDes
7. A Sunderland classic brought into the 21st Century.
This time we have an updated version of the 1994-96 Vaux Samson home kit. | Other 3rd Party Photo: The Kit Factor
8. SUNDERLAND HOME AND AWAY (1).jpg
Two new stunning designs by the Kit Factor - could Nike learn from this? | Other 3rd Party Photo: The Kit Factor