Revealed on Wednesday, Philadelphia Union's new 2021 secondary kit is now available for purchase on, and! The 2021 kit features a never-before-seen style and color template in the team’s ten-year history. The “BY|U” kit is a first for many reasons, the lightning pattern and bold blue and yellow, but most importantly, this jersey was designed start-to-finish by a group of fans, the Union Creators’ Collective.

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The Blue and Yellow Union kit, or the “BY|U” kit, features a blue base with a tonal lightning pattern with bolt yellow accents bringing to life what could be called the most famous science experiment in history. Lightning is unpredictable, but it strikes with a speed and sudden power that electrifies everything in its path. This symbolizes the Union’s unique and energetic style of play.

On the left chest sits the Union’s logo in colors derived from the flags of Philadelphia, New Jersey, and Delaware and are also a nod to the branding of Union supporters’ group, the Sons of Ben. After making history in 2020 as the first MLS club to have multiple partner logos on their home kit (Bimbo) and away kits (Artesano); Artesano, a brand of long-time jersey sponsor Bimbo Bakeries USA, remains as the primary sponsor for the secondary kit.