The Nike Boston Celtics City Edition Long Sleeve Warm-Up T-Shirt in size 3XL-Tall is a officially licensed NBA Authentics fan apparel. This white shirt is designed for men who are fans of the Boston Celtics and is perfect for showing team spirit during the regular season. Made by Nike in Sri Lanka, this shirt is a great addition to any basketball fan's collection. NWT. MSRP $ 65.