The Castore Newcastle United 21-22 home shirt features a grandad collar, a popular design detail among the Newcastle sup...porters due to it being a standout element of the successful 1995-97 Adidas kit. The Castore Newcastle 2021-2022 home shirt has two white stripes on the front, with a black stripe down the center. The buttons as well as the collar feature light blue trim to match the color of the Fun88 sponsor logo.