Take your training to the next level while repping your favorite team in this Boston Celtics Authentic Long Sleeve Practice T-Shirt from Nike. Crafted from soft, breathable cotton, this long sleeve tee offers all-day comfort whether you're hitting the court or relaxing at home. The screen print graphics boldly display your Boston Celtics pride, making it clear where your allegiance lies. Brand: Nike. Rib-knit, tagless collar with interior taping for a more comfortable feel. Machine wash, tumble dry low. Material: 100% Cotton. Officially licensed. Printed front with team graphics, NBA Shield and Nike Swoosh. On-Court gear is worn by players, coaches and team staff. Long sleeve. Imported. Crew neck. Color: Green. Gender: male. Age Group: adult.