Every year since 1991, Adidas has partnered with the Boston Athletic Association to manufacture a slim-fit windbreaker known as the Celebration Jacket, which has become the most recognizable badge of honor at America’s most renowned marathon.

To commemorate the 120th running of the Boston Marathon on April 18, Adidas rolled out No. 26 in the Celebration Jacket series with a color scheme dubbed “Equipment Green,” which is a throwback to the very first jacket—a nod to its 25th anniversary. Part of the jacket's mystique is its new color scheme for each year. The 2015 jacket, for instance, came in "Night Flash" (i.e. purple).

Each year, there is a men's version and women's version that are gender-specific fits. There are also different colorways for men and women in 2016—black trim for men and pink trim for women. This is not a first, according to Adidas; the 2010 jacket is one example.

Adidas supplies official Boston Marathon jackets to nearly 10,000 B.A.A. volunteers and more than 3,500 race officials, media, and medical personnel. Of course, the Celebration Jacket (a.k.a. Anthem Jacket) can be purchased online for $110 beginning December 20 by participants and fans alike. Approximately 30,000 runners are registered for the 2016 race.

On Tuesday, December 22 at 6 p.m., the Boston Marathon Adidas RunBase store on Boylston Street will play host to an unveiling party celebrating the 25th anniversary and launch of the 2016 Boston Marathon Celebration Jacket. More details about the event are available on the store's Facebook page.

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