The perfect gift for athletes. Give a SidelineSwap gift card.
Equipment Buying Guide
From breaking down bat certifications like BBCOR and USSSA to helping you choose the perfect glove for your position, our expert tips make it easy to shop smarter and play harder.
Read Full Guide

Trending Baseball Gear

Rawlings Heart of the hide RH Catcher's Glove 34" (Used)
Zach_Garcia3
Rawlings Heart of the hide RH Catcher's Glove 34" (Used)
$300
First Base RH Rawlings Heart of the Hide Baseball Glove 12.5" (Used)
keith_knapp
First Base RH Rawlings Heart of the Hide Baseball Glove 12.5" (Used)
$160
Marucci Capitol Series Horween RH Baseball Glove 12.75" (New)
au90485
Marucci Capitol Series Horween RH Baseball Glove 12.75" (New)
$270
Retail price: $399
Easton Horween Hybrid Professional Series RH Infield Baseball Glove 11.5" (Used)
hardcoregloves
Easton Horween Hybrid Professional Series RH Infield Baseball Glove 11.5" (Used)
$235
2026 Combat MFG Spec A1 Alloy BBCOR Certified Bat (-3) 30 oz 33" (Used)
Kasen_t23
2026 Combat MFG Spec A1 Alloy BBCOR Certified Bat (-3) 30 oz 33" (Used)
$400
SOLD
Retail price: $350
2025 Combat MFG Spec A1 Alloy BBCOR Certified Bat (-3) 30 oz 33" (Used)
syejones
2025 Combat MFG Spec A1 Alloy BBCOR Certified Bat (-3) 30 oz 33" (Used)
$400
Retail price: $400
Combat MFG Spec A1 Alloy BBCOR Certified Bat (-3) 30 oz 33" (Used)
Ibuyssuan
Combat MFG Spec A1 Alloy BBCOR Certified Bat (-3) 30 oz 33" (Used)
$250
Retail price: $300
2026 Warstic Bonesaber Hybrid Solar Storm USA(-10) 19 oz 29" (Very Good)
Gagem36
2026 Warstic Bonesaber Hybrid Solar Storm USA(-10) 19 oz 29" (Very Good)
$250
Rawlings Heart of the Hide RHT Outfield Baseball Glove 12.75" (Used)
hardcoregloves
Rawlings Heart of the Hide RHT Outfield Baseball Glove 12.75" (Used)
$230
2025 Combat MFG Spec A1 Midnight Rodeo Saddle Up BBCOR Bat -3 34/31
TheBatDropCoSideline Pro
2025 Combat MFG Spec A1 Midnight Rodeo Saddle Up BBCOR Bat -3 34/31
$399
New Wilson A2000 1912 12" Single Post Web
Clubhousegloves
New Wilson A2000 1912 12" Single Post Web
$240
Retail price: $300
Wilson A2000 RH Pitcher's Baseball Glove 12" (Used)
AAusti645
Wilson A2000 RH Pitcher's Baseball Glove 12" (Used)
$155
1,683 Results
Shop by Category
5 7/8 - 6 3/4 Under Armour (Used) UABH2-110 Batting Helmet
Hellskitchen21
5 7/8 - 6 3/4 Under Armour (Used) UABH2-110 Batting Helmet
$10
Under Armour Baseball Pants Mens Large
HomiesHockey
Under Armour Baseball Pants Mens Large
$22
Under Armour Baseball Belt
HomiesHockey
Under Armour Baseball Belt
$22
Under Armour Black Used Size 8.0 (Women's 9.0) Men's Under Armour Low Top Molded Cleats
Mdlla
Under Armour Black Used Size 8.0 (Women's 9.0) Men's Under Armour Low Top Molded Cleats
$15
Retail price: $40
Gray Used Medium Youth Unisex Under Armour Game Pants Size M
jmdadurian
Gray Used Medium Youth Unisex Under Armour Game Pants Size M
$20
Retail price: $30
Under Armour UABH200 Batting Helmet
Goalie02
Under Armour UABH200 Batting Helmet
$15
Retail price: $60
Under Armour UABH2-110 Batting Helmet (Used) - Youth One Size Fits All, 5 7/8 - 6 3/4
mcwfb
Under Armour UABH2-110 Batting Helmet (Used) - Youth One Size Fits All, 5 7/8 - 6 3/4
$5
Retail price: $50
White Men's Size M 8.0 (W 9.0) Adult Under Armour Low Top Harper 8 Metal (Used)
Sweetser
White Men's Size M 8.0 (W 9.0) Adult Under Armour Low Top Harper 8 Metal (Used)
$26
Retail price: $75
Men's Size 13.0 (W 14.0) Under Armour Harper 8 Low Top Metal (New)
BenPineo
Men's Size 13.0 (W 14.0) Under Armour Harper 8 Low Top Metal (New)
$38
Black Men's XL Youth Under Armour Game Pants
Ballplayer23929
Black Men's XL Youth Under Armour Game Pants
$10
Retail price: $25
6 1/2 - 7 1/2 Under Armour UABH2-100 Batting Helmet (Used)
petertom25
6 1/2 - 7 1/2 Under Armour UABH2-100 Batting Helmet (Used)
$15
Under Armour Baseball Cleats Size 11
talts
Under Armour Baseball Cleats Size 11
$25
Under Armour Leadoff Baseball Cleats (3892)
ReplayOwasso
Under Armour Leadoff Baseball Cleats (3892)
$20
Under Armour Mens Size 2 M UA Leadoff Low RM Baseball Cleats
Selling_stuff84
Under Armour Mens Size 2 M UA Leadoff Low RM Baseball Cleats
$15
Retail price: $50
White Size Mens 7.5 (W 8.5) Adult Under Armour High Top (Used)
Instructor74
White Size Mens 7.5 (W 8.5) Adult Under Armour High Top (Used)
$20
Size 14 Men’s Under Armour Hovr UA Harper 7 Low ST Metal Cleats Baseball Blue
Ballplayer77144
Size 14 Men’s Under Armour Hovr UA Harper 7 Low ST Metal Cleats Baseball Blue
$41
Retail price: $130
Under Armour Catcher's Mask (Used) Youth 9-12
Owen2712
Under Armour Catcher's Mask (Used) Youth 9-12
$25
Retail price: $140
Under Armour Boston Red Sox Batting Practice Pullover
lagaojr
Under Armour Boston Red Sox Batting Practice Pullover
$30
Retail price: $85
White Men's Adult Small Under Armour (New)
Danielle25
White Men's Adult Small Under Armour (New)
$19
Retail price: $40
Under Armour Pants Youth size 4 Gray
jack2424
Under Armour Pants Youth size 4 Gray
$15
White Men's Youth Small Under Armour Game Pants (New)
Teddy_druganHB
White Men's Youth Small Under Armour Game Pants (New)
$27
Retail price: $70
2 pairs of Gray Unisex XXS Youth Under Armour Game Pants (Used)
Agc291
2 pairs of Gray Unisex XXS Youth Under Armour Game Pants (Used)
$10
Retail price: $26
Black Men's Size M 9.0 (W 10.0) Under Armour (Used)
smsnyder0925
Black Men's Size M 9.0 (W 10.0) Under Armour (Used)
$21
Retail price: $40
White Men's Large Adult Under Armour Game Pants (New) with Royal Blue Piping
Svetrano
White Men's Large Adult Under Armour Game Pants (New) with Royal Blue Piping
$60
Retail price: $135
White Men's Adult Medium Under Armour Game Pants (Used)
daniellukepage
White Men's Adult Medium Under Armour Game Pants (Used)
$13
White Men's Adult Small Under Armour Game Pants (Used)
daniellukepage
White Men's Adult Small Under Armour Game Pants (Used)
$24
Black/White New Size 14 Adult Men's Under Armour Yard Low DT Metal Cleats
joepesci
Black/White New Size 14 Adult Men's Under Armour Yard Low DT Metal Cleats
$30
Black Kid's Molded Cleats High Top
Brad23
Black Kid's Molded Cleats High Top
$24
Retail price: $65
Under Armour S Baseball Pants
Jimmy3
Under Armour S Baseball Pants
$12
Under Armour Batting Gloves Size YL (choose your color)
lonestargear
Under Armour Batting Gloves Size YL (choose your color)
$11
Retail price: $20
Under Armour Batting Gloves Size YM (choose your color)
lonestargear
Under Armour Batting Gloves Size YM (choose your color)
$11
Retail price: $20
Black Unisex 13K (Little Kids) Youth Under Armour Molded Cleats Cleats (New)
Motherofballs
Black Unisex 13K (Little Kids) Youth Under Armour Molded Cleats Cleats (New)
$30

Articles and Reviews

One-Piece vs Two-Piece Bats: The Complete Guide
One-Piece vs Two-Piece Bats: The Complete Guide

Learn the real differences between one-piece and two-piece bats: when flex happens, how connections reduce sting, hybrid vs composite builds, barrel size vs swing weight, and which fits best.

USA vs USSSA Baseball Bats: What’s the Difference and Which to Choose
USA vs USSSA Baseball Bats: What’s the Difference and Which to Choose

Learn USA vs USSSA bat differences—legality by league, barrel sizes, drops, and performance. See which bat your player needs and shop used bats to save.

Baseball Dad Hack: Buying, Selling, and Trading on SidelineSwap
Baseball Dad Hack: Buying, Selling, and Trading on SidelineSwap

Bryan Weston's journey into buying and selling sports gear started in a relatable way —as a dad trying to keep up with his son's evolving baseball needs.

Related Searches

Brand

Rawlings Baseball GearMarucci Baseball GearDeMarini Baseball GearLouisville Slugger Baseball GearOther Baseball Gear
More Categories