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.
100% Official Merchandise
365 Day Returns
25% Off Savings Use Code: FREEZE. *Each offer has a limited duration that expires at the specified time. Some promotions may require that you enter a code. By making a purchase featuring a discount or promotion, including where a code may be required, you are agreeing to these terms and exclusions. Generally, eligibility will be as reflected in the price shown on the product page. However, discounts and promotions for certain products may only appear once an item is added to the cart and the code is entered. Prices and fees, including any applicable discount(s), will be as reflected in the cart. Only the as-discounted retail price (excluding applicable shipping, taxes, and handling fees) counts toward any minimum spend required for eligibility. If a rewards program applies, the rewards may only apply to the as-discounted retail price. Discounts and promotions do not apply to gift cards. Gift card purchases do not count toward any minimum spend required for eligibility. Exclusions may apply, including: all auctions and product drops; product that is already on sale, of limited quantity, for recent championship or other special events; select jerseys, on-field headwear, die cast and certain collectibles; and certain premium brand product. Additional terms and other exclusions may apply in our sole discretion.
1 - 72 of 75
Summer Gear
T-ShirtsSale Items
75 Items
Almost Gone!
Reduced: $55.99
Regular: $79.99
Boston Celtics Tommy Jeans Women's - Ashley Oversize V-Neck T-Shirt - Black
Almost Gone!
Reduced: $83.99
Regular: $119.99
Boston Celtics Mitchell & Ness Women's Hardwood Classics Jump Shot - Shorts - Kelly Green
Almost Gone!
$117.99
Boston Celtics Fear of God Unisex NBA x ESSENTIALS T-Shirt - Gray
$63.99
Jayson Tatum Boston Celtics Homage Unisex 2024/25 City Edition Caricature Tri-Blend T-Shirt - Charcoal
$45.74 with code
Regular: $60.99
Boston Celtics New Era Unisex Sugar Skull T-Shirt - Black
$50.99 with code
Regular: $67.99
Boston Celtics Nike Women's 18-Time NBA Finals Champions Locker Room T-Shirt - Black
Most Popular in Women T-Shirts
$38.24 with code
Regular: $50.99
Boston Celtics FISLL Unisex Lucky T-Shirt - Kelly Green
$50.99 with code
Regular: $67.99
Boston Celtics Homage Unisex Anything Is Possible Tri-Blend T-Shirt - Ash
$45.74 with code
Regular: $60.99
Boston Celtics Homage Unisex Hometown Hyper Local Tri-Blend T-Shirt - Heather Gray
Reduced: $82.99
Regular: $109.99
Boston Celtics Mitchell & Ness Unisex Hardwood Classics Vintage Voltage Premium Heavyweight T-Shirt - Black
Almost Gone!
Reduced: $70.99
Regular: $101.99
Boston Celtics Stadium Essentials Atrium Raglan Long Sleeve Hoodie T-Shirt - Heather Gray
Reduced: $126.99
Regular: $168.99
Boston Celtics NBA & KidSuper Studios by Fanatics Unisex Hometown Shorts - Brown
$35.24 with code
Regular: $46.99
Boston Celtics Stadium Essentials Unisex Primary Logo T-Shirt - Black
$50.99 with code
Regular: $67.99
Boston Celtics Homage Unisex 18-Time NBA Finals Champions Tri-Blend T-Shirt - Heather Kelly Green
$50.99 with code
Regular: $67.99
Jayson Tatum & Jaylen Brown Boston Celtics Homage Unisex 2024 NBA Finals Champions NBA Jam Tri-Blend T-Shirt - Gray
$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
$44.79 with code
Regular: $63.99
Boston Celtics Fanatics Women's 2024 NBA Finals Champions Pull Up Jumper Caricature V-Neck T-Shirt - White
Most Popular in Women T-Shirts
$44.24 with code
Regular: $58.99
Boston Celtics Tommy Jeans Women's Amelia Color Blocked Long Sleeve T-Shirt - White/Kelly Green
$47.59 with code
Regular: $67.99
Boston Celtics Fanatics Women's 2022 Eastern Conference Champions Locker Room V-Neck T-Shirt - White
$41.29 with code
Regular: $58.99
Boston Celtics Fanatics Women's 2024 NBA Finals Champions Fast Break Finish Trophy V-Neck T-Shirt - Black
Most Popular in Women T-Shirts
$75.99
Boston Celtics Nike Women's 2024/25 City Edition Courtside Boxy T-Shirt - Black
$44.24 with code
Regular: $58.99
Boston Celtics New Era Women's Oversized Boxy Crop T-Shirt - Kelly Green
Most Popular in Women T-Shirts
Reduced: $62.99
Regular: $84.99
Boston Celtics NBA x Kathy Ager Unisex Identify Artist Series T-Shirt - White
$76.49 with code
Regular: $101.99
Boston Celtics Sportiqe Unisex Wales Heavyweight Pocket Long Sleeve T-Shirt - Black
Reduced: $52.99
Regular: $70.99
Boston Celtics '47 Women's Rise Clubhouse Ziggy Color Block T-Shirt - Gray
$47.59 with code
Regular: $67.99
Boston Celtics Fanatics Women's 2024 Eastern Conference Champions Locker Room Post Up Move V-Neck T-Shirt - Steel
$41.29 with code
Regular: $58.99
Boston Celtics Fanatics Women's 2024 NBA Finals Champions Pump Fake Hometown Originals V-Neck T-Shirt - Black
$44.24 with code
Regular: $58.99
Boston Celtics Sportiqe Women's 2022 NBA Finals Janie Tri-Blend Tank Top - White
$44.79 with code
Regular: $63.99
Boston Celtics Fanatics Women's 2024 NBA Finals Champions Fade Away Jumper Roster Signature V-Neck T-Shirt - Black
Most Popular in Women T-Shirts
Reduced: $38.99
Regular: $55.99
Boston Celtics Mitchell & Ness Unisex Hardwood Classics MVP Throwback Logo T-Shirt - Heather Gray
$44.24 with code
Regular: $58.99
Boston Celtics Stadium Essentials Unisex 2024 NBA Finals Revolution T-Shirt - Heather Gray
$44.24 with code
Regular: $58.99
Boston Celtics Sportiqe Unisex 2024 NBA Finals Super Soft Comfy Tri-Blend T-Shirt - Heather Black
$45.74 with code
Regular: $60.99
Boston Celtics New Era Unisex Summer Classics T-Shirt - Black
$44.24 with code
Regular: $58.99
Boston Celtics Stadium Essentials Women's Sky High T-Shirt - White
Reduced: $50.99
Regular: $67.99
Boston Celtics Sportiqe Unisex Bingham Sun-Fade T-Shirt - Black
$44.24 with code
Regular: $58.99
Boston Celtics Stadium Essentials Unisex Dedication T-Shirt - Kelly Green
Reduced: $46.99
Regular: $67.99
Boston Celtics Sportiqe Unisex Comfy Super Soft Tri-Blend T-Shirt - Heather Black
$47.24 with code
Regular: $62.99
Boston Celtics New Era Unisex Oversized Essentials Boxy T-Shirt - Black
$50.99 with code
Regular: $67.99
Boston Celtics Sportiqe Unisex Bingham Super Soft T-Shirt - White
Reduced: $47.99
Regular: $63.99
Jayson Tatum Boston Celtics Homage Unisex SkyBox Player Tri-Blend T-Shirt - Kelly Green
$44.79 with code
Regular: $63.99
Boston Celtics Fanatics Women's 2022 Eastern Conference Champions Balanced Attack Roster V-Neck T-Shirt - Black
$44.24 with code
Regular: $58.99
Boston Celtics Nike Unisex 2024 NBA Playoffs Mantra T-Shirt - Black
Most Popular in T-Shirts
$47.99 with code
Regular: $63.99
Boston Celtics '47 Women's 2024 NBA Finals Champions Trophy Franklin T-Shirt - Black
Most Popular in Women T-Shirts
$44.24 with code
Regular: $58.99
Boston Celtics Nike Women's 2024 NBA Finals Champions Celebration Parade T-Shirt - White
$44.24 with code
Regular: $58.99
Boston Celtics Stadium Essentials Unisex Breakdown T-Shirt - Kelly Green
$50.99 with code
Regular: $67.99
Boston Celtics Homage Unisex 2024 NBA Finals Champions Grateful Dead Tri-Blend T-Shirt - Ash
Reduced: $45.99
Regular: $60.99
Boston Celtics Homage Unisex Team Mascot Tri-Blend T-Shirt - Heather Gray
$44.24 with code
Regular: $58.99
Boston Celtics Sportiqe Women's 2022 NBA Finals Crest Phoebe T-Shirt - Black
$44.24 with code
Regular: $58.99
Boston Celtics Stadium Essentials Women's Dedication Tank Top - Black
$53.24 with code
Regular: $70.99
Boston Celtics Stadium Essentials Unisex Vintage T-Shirt - Black
Reduced: $70.99
Regular: $101.99
Boston Celtics Fanatics Women's Elements Go Tri-Blend T-Shirt Dress - Cream
$56.99 with code
Regular: $75.99
Boston Celtics Sportiqe Women's 2024 NBA Finals Champions King of the Court Phoebe Tri-Blend T-Shirt - Black
Most Popular in Women T-Shirts
$59.49 with code
Regular: $84.99
Boston Celtics Fanatics Women's Elements Super Soft Boxy Cropped T-Shirt - Black
Most Popular in Women T-Shirts
Almost Gone!
Reduced: $45.99
Regular: $65.99
Boston Celtics Concepts Sport Women's Sunray Shorts - White
$63.74 with code
Regular: $84.99
Boston Celtics Sportiqe Unisex Sun Fade Vintage Mohave Long Sleeve T-Shirt - Olive
$152.24 with code
Regular: $202.99
Boston Celtics Sportiqe Unisex High Country Reeves Full-Button Long Sleeve Shirt - Cream
Most Popular in Shirts & Sweaters
Reduced: $56.99
Regular: $75.99
Boston Celtics Bleacher Report x Mitchell & Ness Unisex World Tour T-Shirt - Kelly Green
Reduced: $56.99
Regular: $75.99
Boston Celtics Stadium Essentials Unisex Scoreboard T-Shirt - White
$67.99
Boston Celtics Nike Women's Courtside Mock Neck Loose Fit Cropped T-Shirt - Black
$67.99
Boston Celtics Pro Standard Women's Script Boyfriend T-Shirt - Black
Almost Gone!
$44.24 with code
Regular: $58.99
Boston Celtics Concepts Sport Women's Sunray Tank Top - White
Almost Gone!
$47.99 with code
Regular: $63.99
Boston Celtics Levelwear Women's Paisley Peekaboo Tank Top - White
$75.99
Boston Celtics Pro Standard Women's Jewels Boxy Cropped T-Shirt - Black
Reduced: $85.99
Regular: $114.99
Boston Celtics Lusso Nola Faded Tonal Cropped T-Shirt - Gray
Reduced: $75.99
Regular: $101.99
Boston Celtics FISLL x Black History Collection Unisex T-Shirt – Green
Reduced: $69.99
Regular: $92.99
Boston Celtics College Concepts Women's Boyfriend Button-Up Nightshirt - Hunter Green/Black
$82.49 with code
Regular: $109.99
Boston Celtics Spirit Jersey Unisex 2024 NBA Finals Champions Horizontal Ombre Long Sleeve T-Shirt - Kelly Green
$69.74 with code
Regular: $92.99
Boston Celtics Sportiqe Unisex Mohave Sun-Dipped Long Sleeve T-Shirt - Black
Reduced: $75.99
Regular: $101.99
Boston Celtics Qore Unisex Oversized Game Day Cozy Half Sleeve T-Shirt - Cream
Reduced: $88.99
Regular: $117.99
Boston Celtics The Wild Collective Unisex Tour Band T-Shirt - Black
Almost Gone!
$88.49 with code
Regular: $117.99
Boston Celtics The Wild Collective Women's Band Cropped Long Sleeve T-Shirt - Gray
Almost Gone!
Reduced: $82.99
Regular: $117.99
Boston Celtics FISLL Unisex Heritage Crest T-Shirt - White
T-ShirtsSale Items