This is an official adidas product. You have no rights to post comments Sign in to add comments. Please check the size guide below before ordering. The new Arsenal adidas third kit re-designed for the 20/21 season. Next → Image 84 of 121 . Cheer on The Gunners with the Arsenal Third Kit for the 2020/21 season by adidas. The New 20/21 Third Kit. Arsenal third kit 20/21 ← Previous; Image 82 of 121 . The official color combo is ‘Legend Marine / Light Flash Orange’. Arsenal Third Kit 2020 2021. Arsenal Third Kit 2020 2021. Personalise with your chosen name & number. While the former has been prolific for the Gunners this season and is in contention for the EPL with 17 goals, Lacazette has struggled to make a mark this season.