1. Apparel

Baseball Activewear

6,362 Results
Shop by Category

Resell & Save Even More

Earn hundreds when you list your gear for sale, or trade-in and drop off at a local partner.

List Your GearTry Trade-in
PATAGONIA Distressed Fitz Snap Back Mesh Trucker Hat Baseball Cap Patagonia Logo
Chuck_CJ17
PATAGONIA Distressed Fitz Snap Back Mesh Trucker Hat Baseball Cap Patagonia Logo
$7$1550% OFF
50% PRICE DROP
Duluth Trading Men's Full Zip Heavy Outdoor Active Utility Fleece Jacket Blue XL
Chuck_CJ17
Duluth Trading Men's Full Zip Heavy Outdoor Active Utility Fleece Jacket Blue XL
$20$4050% OFF
50% PRICE DROP
Boombah Bags & Batpacks (Used)
reosSideline Pro+
Boombah Bags & Batpacks (Used)
$65
Baltimore Orioles Dri-Fit Short Sleeve Tee Adult XXL NWT
UnearthedRelics
Baltimore Orioles Dri-Fit Short Sleeve Tee Adult XXL NWT
$20
Retail price: $39
Detroit Tigers Dri-Fit Short Sleeve Tee Adult XXL NWT
UnearthedRelics
Detroit Tigers Dri-Fit Short Sleeve Tee Adult XXL NWT
$20
Retail price: $39
Miami Marlins — Dri Fit Short Sleeved Hoodie — Adult XXL NWT
UnearthedRelics
Miami Marlins — Dri Fit Short Sleeved Hoodie — Adult XXL NWT
$35
Retail price: $49
Shock Doctor Hex Compression Padded Sternum Shirt, White, Youth Large
Dangler72057Sideline Pro+
Shock Doctor Hex Compression Padded Sternum Shirt, White, Youth Large
$22
Majestic Chase Utley Philadelphia Phillies Jersey 26 Womens M White MLB
hockeybaseballm
Majestic Chase Utley Philadelphia Phillies Jersey 26 Womens M White MLB
$33
Nike Authentic Chicago White MLB White Sox Throwback Retro Jersey Men’s Sz L
hockeybaseballm
Nike Authentic Chicago White MLB White Sox Throwback Retro Jersey Men’s Sz L
$43
Atlanta Braves Women's Jersey- Size L Majestic
hockeybaseballm
Atlanta Braves Women's Jersey- Size L Majestic
$29
Easton Bat Bag (Used)
Runandrew1Sideline Pro+
Easton Bat Bag (Used)
$35
Nike Swingman Bat Bag (Used)
Runandrew1Sideline Pro+
Nike Swingman Bat Bag (Used)
$32
Easton Bat and Gear Duffle Bag (Used)
Runandrew1Sideline Pro+
Easton Bat and Gear Duffle Bag (Used)
$60
NWS Washington Nationals Mitchell & Ness Pro-Pintch Snapback Hat MLB
zachstrunkshowSideline Pro
NWS Washington Nationals Mitchell & Ness Pro-Pintch Snapback Hat MLB
$31
NWT Baltimore Orioles UII Mesh Snapback Hat M/L MLB
zachstrunkshowSideline Pro
NWT Baltimore Orioles UII Mesh Snapback Hat M/L MLB
$29
White XXXL Men's Nike Jersey (New)
YardBrosSideline Pro
White XXXL Men's Nike Jersey (New)
$65
Retail price: $125
NWS Washington Nationals 2025 Chinese New Years New Era 59fifty 7 1/4 MLB
zachstrunkshowSideline Pro
NWS Washington Nationals 2025 Chinese New Years New Era 59fifty 7 1/4 MLB
$38
NWS New York Yankees Mesh BP New Era 59fifty 7 5/8 MLB
zachstrunkshowSideline Pro
NWS New York Yankees Mesh BP New Era 59fifty 7 5/8 MLB
$38
Curt Schilling White XL Adult Unisex Russell Athletic Game Jersey
Sportsdad81Sideline Pro
Curt Schilling White XL Adult Unisex Russell Athletic Game Jersey
$45
Retail price: $150
NWS Miami Marlins Searsucker New Era 59fifty 7 3/8 MLB
zachstrunkshowSideline Pro
NWS Miami Marlins Searsucker New Era 59fifty 7 3/8 MLB
$36
NWS Baltimore Orioles New Era Mint 59fifty 7 1/2 MLB
zachstrunkshowSideline Pro
NWS Baltimore Orioles New Era Mint 59fifty 7 1/2 MLB
$36
NWS Mexico 2023 WBC New Era 59fifty 7 3/4 Blue
zachstrunkshowSideline Pro
NWS Mexico 2023 WBC New Era 59fifty 7 3/4 Blue
$44
Stitches New York Mets MLB Hoodie Size Large Orange/Blue USED
dnnguyen1982
Stitches New York Mets MLB Hoodie Size Large Orange/Blue USED
$20
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
Boombah Catcher's Bag (Used)
hollywood77
Boombah Catcher's Bag (Used)
$45$5010% OFF
10% PRICE DROP
Easton Player (Used)
Baseaholic
Easton Player (Used)
$15
Retail price: $50
Blenders Medium Sunglasses (Used)
Vromans9598
Blenders Medium Sunglasses (Used)
$20
EvoShield Bat Packs (Used)
GrittySportSideline Pro+
EvoShield Bat Packs (Used)
$33
Blue/Black Marucci Bat Pack (Used)
GrittySportSideline Pro+
Blue/Black Marucci Bat Pack (Used)
$27

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.

Related Searches

Category

Apparel