Show us what the Boston Celtics were like from the very beginning Celebrating the NBA's 75th Anniversary in these 2021/2022 Swingman Classic Edition Shorts. Along with lightweight fabric and an adjustable waistband, these pants feature moisture-wicking Dri-FIT technology which keeps you cool and dry for hours on end. And most importantly its iconic Boston Celtics graphics and NBA embroidery commemorate an important moment in team and league history.