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NEW Oceanic Pro Plus 4.0 + Compass Bluetooth Air Integrated Scuba Dive Computer
diveagainscuba
NEW Oceanic Pro Plus 4.0 + Compass Bluetooth Air Integrated Scuba Dive Computer
$746
2025 K2 Overdraft Snowboard Boots - Size 9.5 Color: Brick *NEW IN BOX*
35thave
2025 K2 Overdraft Snowboard Boots - Size 9.5 Color: Brick *NEW IN BOX*
$230
RARE NIW OG 2020 MONSTA CLACK ADDICT FIB 25 oz 3900 HANDLE 20SPCA2T USA M2 TECH
basketsnbuttons
RARE NIW OG 2020 MONSTA CLACK ADDICT FIB 25 oz 3900 HANDLE 20SPCA2T USA M2 TECH
$950

Recently Added

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Combat MFG Spec A1 BBCOR Certified Bat (-3) 30 oz 33" (New)
gioanaya21
Combat MFG Spec A1 BBCOR Certified Bat (-3) 30 oz 33" (New)
$530
Retail price: $350
STX Strung X20 Head (Like New)
masonk_150
STX Strung X20 Head (Like New)
$110
Under Armour Command D Head
masonk_150
Under Armour Command D Head
$95
Gait Strung D2T Head (New)
masonk_150
Gait Strung D2T Head (New)
$140
STX Strung Hammer 900 Head (Used)
masonk_150
STX Strung Hammer 900 Head (Used)
$55
Maverik Unstrung Tank Head (Used)
masonk_150
Maverik Unstrung Tank Head (Used)
$30
Bauer Vapor Hyperlite Hockey Skates Size 6 (Used)
flashboots1
Bauer Vapor Hyperlite Hockey Skates Size 6 (Used)
$250
BCA Warrior Strung Burn XP-D Head (Used)
masonk_150
BCA Warrior Strung Burn XP-D Head (Used)
$50
Gait Strung D2C Head (Used)
masonk_150
Gait Strung D2C Head (Used)
$95
StringKing Strung Mark 3V Head (Like Mew)
masonk_150
StringKing Strung Mark 3V Head (Like Mew)
$120
Small Warrior Helmet (New)
flashboots1
Small Warrior Helmet (New)
$95
Adult ECD Unstrung Ion Head (New)
masonk_150
Adult ECD Unstrung Ion Head (New)
$100
Adult STX Strung Ultra Power Head (Used)
masonk_150
Adult STX Strung Ultra Power Head (Used)
$40
Warrior Gloves 13" (New)
flashboots1
Warrior Gloves 13" (New)
$95
Small Warrior Helmet (Used)
flashboots1
Small Warrior Helmet (Used)
$50
Combat baseball bat
Masonrobbins
Combat baseball bat
$489
Bauer LS Pulse Ti 280 mm (Used)
flashboots1
Bauer LS Pulse Ti 280 mm (Used)
$65
See Disc. Rawlings Heart Of The Hide R2G PROR314-32CCB Baseball Glove
westcoastglovesSideline Pro
See Disc. Rawlings Heart Of The Hide R2G PROR314-32CCB Baseball Glove
$215
Oakley Sutro Shield Sunglasses Matte Black Frame Red-Orange Mirror Prizm Lens
HSCSideline Pro
Oakley Sutro Shield Sunglasses Matte Black Frame Red-Orange Mirror Prizm Lens
$60
Retail price: $159
Bauer Hockey Skates 8.5 (Used)
flashboots1
Bauer Hockey Skates 8.5 (Used)
$180

Price Drops

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2023 Vaughn V9 Pro Carbon Full Right Pro Stock (Used)
bradgsxr
2023 Vaughn V9 Pro Carbon Full Right Pro Stock (Used)
$505$56210%
19% PRICE DROP
Retail price: $1,199
Mongoose Stance Pro Freestyle Kick Scooter
Whipino
Mongoose Stance Pro Freestyle Kick Scooter
$59$6510%
15% PRICE DROP
Retail price: $250
2022 Victus Nox USSSA Certified Bat (-8) Composite 22 oz 30" (Used)
twjohnson75
2022 Victus Nox USSSA Certified Bat (-8) Composite 22 oz 30" (Used)
$73$8110%
27% PRICE DROP
Retail price: $300
(2 Glove Sets) Bauer Pro Stock Hyperlite Goalie Full Set
Goalie_nerd
(2 Glove Sets) Bauer Pro Stock Hyperlite Goalie Full Set
$1,148$1,27510%
10% PRICE DROP
Retail price: $4,200
Used Kid Pitch (9YO-13YO) Marucci CAT8 Bat USSSA Certified (-10) Alloy 20 oz 30"
Kraken_SportsSideline Pro+
Used Kid Pitch (9YO-13YO) Marucci CAT8 Bat USSSA Certified (-10) Alloy 20 oz 30"
$45$5010%
10% PRICE DROP
Retail price: $229
Used Kid Pitch (9YO-13YO) AXE Avenge Bat USSSA Certified (-10) Composite 19 oz 29"
Kraken_SportsSideline Pro+
Used Kid Pitch (9YO-13YO) AXE Avenge Bat USSSA Certified (-10) Composite 19 oz 29"
$63$7010%
10% PRICE DROP
Retail price: $349
Used Kid Pitch (9YO-13YO) Marucci CAT9 Bat USSSA Certified (-5) Alloy 26 oz 31"
Kraken_SportsSideline Pro+
Used Kid Pitch (9YO-13YO) Marucci CAT9 Bat USSSA Certified (-5) Alloy 26 oz 31"
$72$8010%
10% PRICE DROP
Retail price: $279
Used Kid Pitch (9YO-13YO) DeMarini The Goods Bat (-3) 30 oz 33"
Kraken_SportsSideline Pro+
Used Kid Pitch (9YO-13YO) DeMarini The Goods Bat (-3) 30 oz 33"
$135$15010%
10% PRICE DROP
Used Kid Pitch (9YO-13YO) Marucci CAT X Composite Bat USSSA Certified (-10) Alloy 20 oz 30"
Kraken_SportsSideline Pro+
Used Kid Pitch (9YO-13YO) Marucci CAT X Composite Bat USSSA Certified (-10) Alloy 20 oz 30"
$153$17010%
10% PRICE DROP
Retail price: $399
Used Head Backpack Black & White (A R6 S2 L2)
Kraken_SportsSideline Pro+
Used Head Backpack Black & White (A R6 S2 L2)
$27$3010%
10% PRICE DROP
Used Louisville Slugger Solo Bat USSSA Certified (-8) Alloy 23 oz 31"
Kraken_SportsSideline Pro+
Used Louisville Slugger Solo Bat USSSA Certified (-8) Alloy 23 oz 31"
$48$5411%
11% PRICE DROP
Retail price: $200
BO-04 Black & Orange Used Unisex Mizuno BR-D4 Golf Bag
Kraken_SportsSideline Pro+
BO-04 Black & Orange Used Unisex Mizuno BR-D4 Golf Bag
$174$19410%
-38% PRICE DROP
Retail price: $335
White All Star Used Large Boombah Batting Gloves Youth
Kraken_SportsSideline Pro+
White All Star Used Large Boombah Batting Gloves Youth
$15$1712%
12% PRICE DROP
Retail price: $30
Used Other Batting ARC Batting Weight fits 2 3/4-2 5/8" Barrel 12 Oz
Kraken_SportsSideline Pro+
Used Other Batting ARC Batting Weight fits 2 3/4-2 5/8" Barrel 12 Oz
$49$5511%
11% PRICE DROP
Retail price: $120
Used High School& College Easton Alpha ALX Bat BBCOR Certified (-3) Alloy 29 oz 32"
Kraken_SportsSideline Pro+
Used High School& College Easton Alpha ALX Bat BBCOR Certified (-3) Alloy 29 oz 32"
$85$9511%
11% PRICE DROP
Retail price: $399
Used Louisville Slugger Meta Bat USSSA Certified (-8) Composite 22 oz 30"
Kraken_SportsSideline Pro+
Used Louisville Slugger Meta Bat USSSA Certified (-8) Composite 22 oz 30"
$99$11111%
15% PRICE DROP
Retail price: $350
Used Kid Pitch (9YO-13YO) DeMarini Zoa Bat BBCOR Certified (-3) Composite 29 oz 32"
Kraken_SportsSideline Pro+
Used Kid Pitch (9YO-13YO) DeMarini Zoa Bat BBCOR Certified (-3) Composite 29 oz 32"
$135$15010%
10% PRICE DROP
Retail price: $450
Used Kid Pitch (9YO-13YO) Warstic Bat USSSA Certified (-10) Alloy 20 oz 30" Gunner
Kraken_SportsSideline Pro+
Used Kid Pitch (9YO-13YO) Warstic Bat USSSA Certified (-10) Alloy 20 oz 30" Gunner
$148$16510%
10% PRICE DROP
Retail price: $250
Black Used 2019 Monsta Zombie Bat (-7) Composite 27 oz 34"
Kraken_SportsSideline Pro+
Black Used 2019 Monsta Zombie Bat (-7) Composite 27 oz 34"
$354$39410%
10% PRICE DROP
Retail price: $699
Used Marucci Cat 9 Limited 30” 20 Oz -10 BB2 S8
Kraken_SportsSideline Pro+
Used Marucci Cat 9 Limited 30” 20 Oz -10 BB2 S8
$72$8010%
52% PRICE DROP
Retail price: $400

Recently Sold

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Vaughn (Used) White Senior Goalie Mask
Pias_ECSideline Pro+
Vaughn (Used) White Senior Goalie Mask
$200
SOLD
New Senior CCM 19K Pro Elbow Pads
Bender84
New Senior CCM 19K Pro Elbow Pads
$205
SOLD
Bauer Ag5nt Senior Flex 77 P92 Right Hand New
Roach9433
Bauer Ag5nt Senior Flex 77 P92 Right Hand New
$230
SOLD
Retail price: $360
Oakley Short Cut Visor Item#LHOK1
fanellihockeySideline Pro+
Oakley Short Cut Visor Item#LHOK1
$35
SOLD
Senior Easton Right Handed P02 (New) Stealth CXT Hockey Stick
FranchiseguySideline Pro
Senior Easton Right Handed P02 (New) Stealth CXT Hockey Stick
$140
SOLD
Excellent Condition Easton Pro 10 Blackout Senior Hockey Gloves 13"
34papi
Excellent Condition Easton Pro 10 Blackout Senior Hockey Gloves 13"
$120
SOLD
Medium Bauer 4500 Helmet (Used)
stickinov
Medium Bauer 4500 Helmet (Used)
$150
SOLD
Retail price: $150
New Dallas Pro Return CCM HPG Goalie Pants
SnfrishmanSideline Pro+
New Dallas Pro Return CCM HPG Goalie Pants
$395
SOLD
Large CCM FM580 Full Cage (New)
Rbassett90
Large CCM FM580 Full Cage (New)
$38
SOLD
Retail price: $50
Vaughn XL Chest Protector
NapierC
Vaughn XL Chest Protector
$113
SOLD
Rawlings Right Hand Throw Heart of the Hide Baseball Glove 11.5" (Used)
Brandlak31
Rawlings Right Hand Throw Heart of the Hide Baseball Glove 11.5" (Used)
$155
SOLD
Athletic Knit H550B Whalers Style Hockey Jersey Goalie-4XL-NEW
msm2691
Athletic Knit H550B Whalers Style Hockey Jersey Goalie-4XL-NEW
$70
SOLD
Retail price: $150
Used Ccm 652 Tacks Hockey Helmet Lg
sportsopks
Used Ccm 652 Tacks Hockey Helmet Lg
$25
SOLD
2025 DeMarini The Goods BBCOR Certified Bat (-3) Hybrid 32" (Used)
lizburnett
2025 DeMarini The Goods BBCOR Certified Bat (-3) Hybrid 32" (Used)
$300
SOLD
Retail price: $399
New Clear Any color Stringing ECD ION Hero 3 Soft Mesh Mid Low Pocket Done ready to ship
fjaylax
New Clear Any color Stringing ECD ION Hero 3 Soft Mesh Mid Low Pocket Done ready to ship
$125
SOLD
Retail price: $200
Adult ECD Strung Ion Head (Used)
calvinjackowitz
Adult ECD Strung Ion Head (Used)
$110
SOLD
Retail price: $140
Lightly Used Mirage 2.0 Graphene
Foxface9415
Lightly Used Mirage 2.0 Graphene
$86
SOLD
Retail price: $190
GAME USED Naval Academy Maverik Optik 3
ReelLaxin
GAME USED Naval Academy Maverik Optik 3
$36
SOLD
New ECD ION Orange Hero 3 Soft Mesh Mid Low Pocket Done ready to ship Red
fjaylax
New ECD ION Orange Hero 3 Soft Mesh Mid Low Pocket Done ready to ship Red
$125
SOLD
Retail price: $200
ANY COLOR CUSTOM STRINGING and Shooters for Stringking Mark 3V (Read description)
fjaylax
ANY COLOR CUSTOM STRINGING and Shooters for Stringking Mark 3V (Read description)
$116
SOLD
Retail price: $155

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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.

Breaking the Ice: The Hustle Behind Top Flight Hockey’s Million-Dollar Success
Breaking the Ice: The Hustle Behind Top Flight Hockey’s Million-Dollar Success

For Quinton "Q" Oster and Dan Mikrut, two lifelong hockey enthusiasts, their hockey business started with one simple idea.

Vintage Sports, Unique Stories: Inside the World of Pro Seller Zach’s Trunk Show
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After leaving a desk job he despised in April of 2018, Zach dove headfirst into the world of sports resale—and hasn’t looked back.