Due to the Canada Postal strike - some addresses within the country will be temporarily unavailable for delivery and returns processing. All packages will be delivered and returns processed as soon as possible.
Skip to Main Content
Skip to Filters
Skip to Filters
Skip to Footer
Switch Stores
USA
Gift Cards
Track Order
Help
My Account
Language
English
Français
men
women
More
kids
jerseys
t-shirts
headwear
kids
jerseys
t-shirts
More
headwear
headwear
accessories
SIGN UP & SAVE!
NBA
Boston Celtics
Boston Celtics T-Shirts
Boston Celtics Long Sleeve T-Shirts
Sale Items
Filters
Cancel
Your Selections
Boston Celtics
T-Shirts
Long Sleeve
Sale Items
Gender/Age
Men
Women
Kids
Players
Jayson Tatum
Popular Collections
Hot New Arrivals
On Court Apparel
Throwback Gear
Featured Brands
'47
Fanatics
Mitchell & Ness
Nike
1 - 28 of 28
T-Shirts
Filter
Filters
Top Sellers
sort-by
Lowest Price
Highest Price
Top Sellers
Newest Items
72 Items
page-size
24 Items
48 Items
72 Items
96 Items
Men
Women
Kids
Boston Celtics
T-Shirts
Long Sleeve
Sale Items
28 Items
1
1 of 1
Reduced:
$21.99
$
21
99
Regular:
$59.99
$
59
99
Boston Celtics Fanatics 2024 Eastern Conference Champions Locker Room Long Sleeve T-Shirt – Heather Gray
Almost Gone!
Reduced:
$34.99
$
34
99
Regular:
$49.99
$
49
99
Boston Celtics Fanatics Women's Block Party Striped - Long Sleeve T-Shirt - Black
Almost Gone!
Reduced:
$34.99
$
34
99
Regular:
$49.99
$
49
99
Boston Celtics Fanatics Baseline Long Sleeve T-Shirt - Kelly Green
Almost Gone!
Reduced:
$34.99
$
34
99
Regular:
$49.99
$
49
99
Jayson Tatum Boston Celtics Fanatics Women's Starstruck Name & Number - Tri-Blend 3/4-Sleeve V-Neck T-Shirt - Kelly Green
$67.99
$
67
99
Boston Celtics Nike 2024/25 Legend On-Court Practice Long Sleeve T-Shirt - Black
Most Popular
in T-Shirts
Almost Gone!
$114.99
$
114
99
Boston Celtics Nike 2024/25 Authentic Pre-Game Legend Long Sleeve Shooting Shirt - Black
$56.99
$
56
99
with code
Regular:
$75.99
$
75
99
Boston Celtics Nike 18-Time NBA Finals Champions Locker Room Long Sleeve T-Shirt - Black
Reduced:
$70.99
$
70
99
Regular:
$101.99
$
101
99
Boston Celtics Fanatics NBA Hoops for Troops Long Sleeve T-Shirt - Heather Gray
Reduced:
$82.99
$
82
99
Regular:
$118.99
$
118
99
Boston Celtics Fanatics Elements Strive Long Sleeve T-Shirt - Gray
$75.99
$
75
99
Boston Celtics Nike Women's 2024/25 City Edition Essential Logo Slim Fit Long Sleeve Cropped T-Shirt - Black
Most Popular
in Women T-Shirts
Almost Gone!
$37.79
$
37
79
with code
Regular:
$53.99
$
53
99
Boston Celtics Mitchell & Ness Youth Hardwood Classics Vintage Players Drip Long Sleeve T-Shirt - Kelly Green
$76.49
$
76
49
with code
Regular:
$101.99
$
101
99
Boston Celtics Tommy Jeans Ben Vintage Applique Long Sleeve Hoodie T-Shirt - Cream
Almost Gone!
$203.99
$
203
99
Boston Celtics Nike 2024/25 City Edition Courtside Heavyweight Hockey Jersey - Black
$44.24
$
44
24
with code
Regular:
$58.99
$
58
99
Boston Celtics Tommy Jeans Women's Amelia Color Blocked Long Sleeve T-Shirt - White/Kelly Green
$76.49
$
76
49
with code
Regular:
$101.99
$
101
99
Boston Celtics Sportiqe Unisex Wales Heavyweight Pocket Long Sleeve T-Shirt - Black
$63.74
$
63
74
with code
Regular:
$84.99
$
84
99
Boston Celtics Tommy Jeans Lucas Long Sleeve T-Shirt - Black
Almost Gone!
Reduced:
$70.99
$
70
99
Regular:
$101.99
$
101
99
Boston Celtics Stadium Essentials Atrium Raglan Long Sleeve Hoodie T-Shirt - Heather Gray
$51.09
$
51
09
with code
Regular:
$72.99
$
72
99
Boston Celtics Fanatics 2024 NBA Finals Champions Fade Away Jumper Roster Signature Long Sleeve T-Shirt - Black
Almost Gone!
$118.99
$
118
99
Boston Celtics Nike 2024/25 City Edition Authentic Pregame Performance Long Sleeve Shooting T-Shirt - Green
$63.74
$
63
74
with code
Regular:
$84.99
$
84
99
Boston Celtics Sportiqe Unisex Sun Fade Vintage Mohave Long Sleeve T-Shirt - Olive
Almost Gone!
Reduced:
$52.99
$
52
99
Regular:
$75.99
$
75
99
Boston Celtics '47 First Rate Franklin Long Sleeve T-Shirt - Gray
$83.29
$
83
29
with code
Regular:
$118.99
$
118
99
Boston Celtics Fanatics 2024 NBA Finals Champions Drive to the Hoop Long Sleeve T-Shirt - Black
$69.74
$
69
74
with code
Regular:
$92.99
$
92
99
Boston Celtics Sportiqe Unisex Mohave Sun-Dipped Long Sleeve T-Shirt - Black
$82.49
$
82
49
with code
Regular:
$109.99
$
109
99
Boston Celtics Spirit Jersey Unisex 2024 NBA Finals Champions Horizontal Ombre Long Sleeve T-Shirt - Kelly Green
Almost Gone!
Reduced:
$58.99
$
58
99
Regular:
$84.99
$
84
99
Boston Celtics Nike 2023/24 City Edition Max90 Expressive Long Sleeve T-Shirt - Charcoal
Almost Gone!
$89.24
$
89
24
with code
Regular:
$118.99
$
118
99
Boston Celtics The Wild Collective Women's Band Cropped Long Sleeve T-Shirt - Gray
Almost Gone!
Reduced:
$82.99
$
82
99
Regular:
$118.99
$
118
99
Boston Celtics Fanatics Unisex Elements Super Soft Long Sleeve T-Shirt - Khaki
Almost Gone!
$71.39
$
71
39
with code
Regular:
$101.99
$
101
99
Boston Celtics Fanatics 2021 Noches Éne-Bé-A Authentic Shooting Long Sleeve T-Shirt - Heather Charcoal
1
1 of 1
Men
Women
Kids