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Baseball Activewear

6,467 Results
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Notre Dame Baseball - Under Armour
carlhainesjr
Notre Dame Baseball - Under Armour
$23
Under Armour Men's Long Sleeve Light Weight Loose Heat Gear Navy - Size Medium
MMcloset
Under Armour Men's Long Sleeve Light Weight Loose Heat Gear Navy - Size Medium
$20
Retail price: $30
Nike Pro Dri Fit Mens T Shirt Green Short Sleeve Fitted Logo - Size 2XL
MMcloset
Nike Pro Dri Fit Mens T Shirt Green Short Sleeve Fitted Logo - Size 2XL
$20
Retail price: $30
T-Mobile x Resse's Sweatshirt Men’s Large Black Pink Employee Work Uniform
MMcloset
T-Mobile x Resse's Sweatshirt Men’s Large Black Pink Employee Work Uniform
$28
Retail price: $60
Red DeMarini Bags & Batpacks Bat Pack (Used)
QuickChangeSideline Pro+
Red DeMarini Bags & Batpacks Bat Pack (Used)
$44
Gray Easton Walk-Off NX Bag (Used)
QuickChangeSideline Pro+
Gray Easton Walk-Off NX Bag (Used)
$44
Red Easton Bags & Batpacks Bat Pack (Used)
QuickChangeSideline Pro+
Red Easton Bags & Batpacks Bat Pack (Used)
$55
Red Easton Bags & Batpacks Bat Bag (Used)
QuickChangeSideline Pro+
Red Easton Bags & Batpacks Bat Bag (Used)
$33
Under Armour Back Pack (Used)
Runandrew1Sideline Pro+
Under Armour Back Pack (Used)
$41
Retail price: $99
Florida State Seminole Baseball Large Jersey Deion Sanders
92109max
Florida State Seminole Baseball Large Jersey Deion Sanders
$53$5910% OFF
11% PRICE DROP
Baseballism Jacket
TJ1112
Baseballism Jacket
$31
Retail price: $90
Nike baseball pullover
TJ1112
Nike baseball pullover
$20
Retail price: $65
Stitches New York Mets MLB Hoodie Size Large Orange/Blue USED
dnnguyen1982
Stitches New York Mets MLB Hoodie Size Large Orange/Blue USED
$20
Baseballism Boston Redsox pants
TJ1112
Baseballism Boston Redsox pants
$30
Retail price: $65
Cal Ripken Jr. Baltimore Orioles Jersey Authentic Majestic Size 44
dnnguyen1982
Cal Ripken Jr. Baltimore Orioles Jersey Authentic Majestic Size 44
$180
Mike Piazza New York Mets Baseball Jerseys Majestic Size XXL
dnnguyen1982
Mike Piazza New York Mets Baseball Jerseys Majestic Size XXL
$100
Mike Piazza New York Mets Baseball Jerseys Russell Size XXL
dnnguyen1982
Mike Piazza New York Mets Baseball Jerseys Russell Size XXL
$100
Baseballism Ken Griffy JR pants
TJ1112
Baseballism Ken Griffy JR pants
$30
Retail price: $65
Baseball Lifestyle 101 ice cream hoodie Blue youth Medium Sweatshirt (Used)
Mikewpi35
Baseball Lifestyle 101 ice cream hoodie Blue youth Medium Sweatshirt (Used)
$20
Retail price: $60
Men's Oakley Radar EV Sunglasses (Used)
Alex_1242
Men's Oakley Radar EV Sunglasses (Used)
$75
Retail price: $250
New Era Los Angeles Dodgers Tonal 2 Tone 59fifty Fitted Hat
obey46
New Era Los Angeles Dodgers Tonal 2 Tone 59fifty Fitted Hat
$50
Retail price: $60
New Era x Billion Creation 59Fifty San Diego Padres Strawberry Chocolate Fitted Hat
obey46
New Era x Billion Creation 59Fifty San Diego Padres Strawberry Chocolate Fitted Hat
$63
New Era 59Fifty San Diego Padres Fitted Hat Real Tree Brown Visor Size 7 1/8
obey46
New Era 59Fifty San Diego Padres Fitted Hat Real Tree Brown Visor Size 7 1/8
$72
New Era 59Fifty San Diego Padres Fitted Hat Side Patch 7 1/8
obey46
New Era 59Fifty San Diego Padres Fitted Hat Side Patch 7 1/8
$40
Retail price: $45
Blue Adult Unisex Rawlings Backpack (Used)
raywhit
Blue Adult Unisex Rawlings Backpack (Used)
$26
Retail price: $80
Easton Bat Bag (Used)
AlexPlummer333
Easton Bat Bag (Used)
$25
Boombah Bat Pack (Used)
AlexPlummer333
Boombah Bat Pack (Used)
$49
Blue Medium Men's Nike Jersey (New)
butlerd18
Blue Medium Men's Nike Jersey (New)
$22
Retail price: $55
Nike Chicago Cubs Youth Jersey – Boys Small – Blue Button-Up MLB Baseball Shirt
Mrscushman
Nike Chicago Cubs Youth Jersey – Boys Small – Blue Button-Up MLB Baseball Shirt
$21$2310% OFF
41% PRICE DROP
Jays Romano jersey
Styli
Jays Romano jersey
$19
adidas x Marimekko Collaboration Cap Hat Unisex Sports Casual
Nwsports25
adidas x Marimekko Collaboration Cap Hat Unisex Sports Casual
$60
USA Mens Hat Adjustable New Era Blue Red Casual Cap Hook and Loop Cap 9Forty
MiniMarket167
USA Mens Hat Adjustable New Era Blue Red Casual Cap Hook and Loop Cap 9Forty
$3

Discover Baseball Activewear on SidelineSwap

At SidelineSwap, we offer an extensive selection of baseball activewear for athletes of all ages and skill levels. Whether you are looking for jerseys, shorts, sweatshirts, or jackets, our platform features thousands of listings to meet your needs. Save up to 70% off retail prices while shopping for both new and gently used gear.

Our categories include:

  • Base Layers & Compression
  • Shirts
  • Hoodies & Sweatshirts
  • Pants & Shorts
  • Accessories like Sunglasses and Backpacks

Each listing provides detailed information, ensuring you can compare prices and find the item that best suits your preferences. Our Buyer Protection Guarantee gives you peace of mind while shopping, knowing that your transactions are secure.

Whether you’re a competitive player or a casual fan, SidelineSwap connects you with a community of sports enthusiasts. Join today to sell your own gear or find exactly what you need for the upcoming season.

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