Recently Viewed

Adams Idea Tech A4 OS 5 Hybrid 25* Tour AD YSQ-HL 65g Regular RH Midsize Grip
stickhawk
Adams Idea Tech A4 OS 5 Hybrid 25* Tour AD YSQ-HL 65g Regular RH Midsize Grip
$34
Roberto Clemente Pirates Black Stitched Jersey Size XL
UnearthedRelics
Roberto Clemente Pirates Black Stitched Jersey Size XL
$55
Retail price: $79
Free Shipping

Recently Added

See more
Victus Wood (NEW) PRO-CRAYON JROD SQUAD GOLD (31)
erod2330Sideline Pro
Victus Wood (NEW) PRO-CRAYON JROD SQUAD GOLD (31)
$255$30015%
15% OFF
Retail price: $300
Used 2026 Fischer The Curv GT 85 Skis With Bindings Size: 175 (Option USKI250440)
barriessportsSideline Pro
Used 2026 Fischer The Curv GT 85 Skis With Bindings Size: 175 (Option USKI250440)
$500
Retail price: $1,000
Adult STX Stallion 7000 Shaft (New)
leo_babs
Adult STX Stallion 7000 Shaft (New)
$65
Retail price: $100
Adult StringKing Strung Head (Used)
leo_babs
Adult StringKing Strung Head (Used)
$45
Retail price: $90
Roxa R/Fit 120 HV GW Ski Boots – Size 29.5 (NSKB000015)
barriessportsSideline Pro
Roxa R/Fit 120 HV GW Ski Boots – Size 29.5 (NSKB000015)
$210
Retail price: $600
Nike Zoomx Invincible Run FK 3 Pure Platinum Safety Orange Running Shoe 10
obey46
Nike Zoomx Invincible Run FK 3 Pure Platinum Safety Orange Running Shoe 10
$149
Adult STX Stallion 7000 Shaft (New)
leo_babs
Adult STX Stallion 7000 Shaft (New)
$65
Retail price: $100
Men's 2024 Callaway Ai smoke Left Hand Clubs (Full Set) Stiff Flex 7 Pieces (Used)
GaigeGiblin
Men's 2024 Callaway Ai smoke Left Hand Clubs (Full Set) Stiff Flex 7 Pieces (Used)
$700
Retail price: $1,300
Adult StringKing Defense Shafts (Used)
leo_babs
Adult StringKing Defense Shafts (Used)
$100
Retail price: $150
2004 Easton Hammer Bat 26 oz 33" (Used)
msjrex
2004 Easton Hammer Bat 26 oz 33" (Used)
$28$3315%
15% OFF
Large Bauer Re-akt 55 Helmet (Used)
IceB86
Large Bauer Re-akt 55 Helmet (Used)
$50
Used 2026 Fischer The Curv GT 85 Skis With Bindings Size: 175 (Option USKI250441)
barriessportsSideline Pro
Used 2026 Fischer The Curv GT 85 Skis With Bindings Size: 175 (Option USKI250441)
$500
Retail price: $1,000
Men's Iron Set Senior Flex (New)
Enr999
Men's Iron Set Senior Flex (New)
$57
Roxa R/Fit 120 HV GW Ski Boots – Size 28.5 (NSKB000012 & NSKB000014)
barriessportsSideline Pro
Roxa R/Fit 120 HV GW Ski Boots – Size 28.5 (NSKB000012 & NSKB000014)
$210
Retail price: $600
Adult Warrior Defense Shafts (New)
leo_babs
Adult Warrior Defense Shafts (New)
$120
Retail price: $170
(Used) Philips Precision Microphone Speechmike Premium
Vamezquita
(Used) Philips Precision Microphone Speechmike Premium
$150
Senior XL Bauer Supreme M5 Pro Shoulder Pads (Used)
IceB86
Senior XL Bauer Supreme M5 Pro Shoulder Pads (Used)
$135
Retail price: $180
CCM JetSpeed FT6 Pro Hockey Skates - Size 9 Regular Width (New)
pecksskateshop
CCM JetSpeed FT6 Pro Hockey Skates - Size 9 Regular Width (New)
$849
Retail price: $1,149
New without tags CCM HG4RPP Size 13 black
Schauer15
New without tags CCM HG4RPP Size 13 black
$199
Retail price: $199
Senior(1x)Left P77-87 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Nexus Hockey Sticks
ProBlackStockSideline Pro+
Senior(1x)Left P77-87 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Nexus Hockey Sticks
$126$14815%
15% OFF
Retail price: $400

Price Drops

See more
Used Spyder Victor Paintball Gun ( Not Working or for Parts)
Vamezquita
Used Spyder Victor Paintball Gun ( Not Working or for Parts)
$50$5510%
38% PRICE DROP
Bauer Hockey Skates Size 2 (Used)
jfransted86
Bauer Hockey Skates Size 2 (Used)
$26$2910%
35% PRICE DROP
Used Piranha GTI -E Force Paintball Gun ( Not Working or for Parts)
Vamezquita
Used Piranha GTI -E Force Paintball Gun ( Not Working or for Parts)
$65$7210%
35% PRICE DROP
(Used) Columbia 300 Bowling Ball / Bag And Glove
Vamezquita
(Used) Columbia 300 Bowling Ball / Bag And Glove
$56$6210%
25% PRICE DROP
(Used) CK Headgear
Vamezquita
(Used) CK Headgear
$16$1810%
-16% PRICE DROP
All Star Catcher's Chest Protector (Used)
Vamezquita
All Star Catcher's Chest Protector (Used)
$29$3210%
-80% PRICE DROP
All Star Catcher's Chest Protector (Used)
Vamezquita
All Star Catcher's Chest Protector (Used)
$25$2810%
-1% PRICE DROP
Used Wilson A2130 Ron Cey Glove
Vamezquita
Used Wilson A2130 Ron Cey Glove
$19$2110%
52% PRICE DROP
Classic 1 1/2 Lunkenheimer Brass Steam Whistle Valve
Vamezquita
Classic 1 1/2 Lunkenheimer Brass Steam Whistle Valve
$86$9610%
57% PRICE DROP
(Used) Real Cow Skull Oklahoma Style
Vamezquita
(Used) Real Cow Skull Oklahoma Style
$225$25010%
10% PRICE DROP
Backpack (Used) Jansport Backpack External Frame
Vamezquita
Backpack (Used) Jansport Backpack External Frame
$24$2710%
47% PRICE DROP
(Used) Fly Boys Flyers Helmet Bag
Vamezquita
(Used) Fly Boys Flyers Helmet Bag
$26$2910%
57% PRICE DROP
STX (Used) Lacrosse Goggles
Vamezquita
STX (Used) Lacrosse Goggles
$24$2710%
39% PRICE DROP
Used Oceanic Wrist Compass
Vamezquita
Used Oceanic Wrist Compass
$26$2910%
57% PRICE DROP
Retail price: $100
(Used) Chevrolet Speed Schut
Vamezquita
(Used) Chevrolet Speed Schut
$16$1810%
10% PRICE DROP
Easton Ghost OG Launch Edition
EmilyKColeman
Easton Ghost OG Launch Edition
$400$47516%
16% PRICE DROP
Retail price: $400
Akadema Right Hand Throw Baseball Glove 12.5" (Used)
Vamezquita
Akadema Right Hand Throw Baseball Glove 12.5" (Used)
$44$4910%
64% PRICE DROP
Large Adult Unisex (Used) VCAN Half Motorcycle Helmet
Vamezquita
Large Adult Unisex (Used) VCAN Half Motorcycle Helmet
$22$2410%
27% PRICE DROP
Used Miller Welding Helmet
Vamezquita
Used Miller Welding Helmet
$79$8710%
34% PRICE DROP
Medium/Large Adult Unisex (Used) Harley Davidson Laguna II Helmet
Vamezquita
Medium/Large Adult Unisex (Used) Harley Davidson Laguna II Helmet
$28$3110%
41% PRICE DROP

Recently Sold

See more
New Brian's Pro 2 Knee Pads
QWERTY9
New Brian's Pro 2 Knee Pads
$64$7515%
SOLD
Retail price: $100
Nike Strung L3 Head
masonk_150
Nike Strung L3 Head
$135
SOLD
Bauer Supreme Ultrasonic Gloves 13" Pro Stock- Corey Perry
Wilkieont
Bauer Supreme Ultrasonic Gloves 13" Pro Stock- Corey Perry
$95
SOLD
Junior Large CCM Tacks 9080 Shoulder Pads (Used)
SamG_NY
Junior Large CCM Tacks 9080 Shoulder Pads (Used)
$45
SOLD
2024 Bauer Elite Hockey Goalie Skates Regular Width 7 (Used)
LaurenceMeg
2024 Bauer Elite Hockey Goalie Skates Regular Width 7 (Used)
$189
SOLD
Retail price: $419
Senior(1x)Left P77-87 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Nexus Hockey Sticks
ProBlackStockSideline Pro+
Senior(1x)Left P77-87 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Nexus Hockey Sticks
$126$14815%
SOLD
Retail price: $400
Senior Bauer Nexus Tracer Left Hand Hockey Stick P88 (New)
Drewball31
Senior Bauer Nexus Tracer Left Hand Hockey Stick P88 (New)
$220
SOLD
Retail price: $360
Used Marucci Cat X Composite 30" -8 Drop Usssa 2 3 4 Barrel Bats 11834-s000025069
PIASMJ
Used Marucci Cat X Composite 30" -8 Drop Usssa 2 3 4 Barrel Bats 11834-s000025069
$71
SOLD
Senior Easton Left Hand P88 85 Flex (New) Stealth C5.0 Hockey Stick
FranchiseguySideline Pro
Senior Easton Left Hand P88 85 Flex (New) Stealth C5.0 Hockey Stick
$60
SOLD
Louisville Slugger Atlas BBCOR Certified Bat (-3) 30 oz 33" (Used)
xanderbeals08
Louisville Slugger Atlas BBCOR Certified Bat (-3) 30 oz 33" (Used)
$220
SOLD
Retail price: $441
Boston Cannons Warrior Polo
colingrayy
Boston Cannons Warrior Polo
$20
SOLD
Retail price: $55
Used Combat B2 28" -11 Drop Usssa 2 5 8 Barrel Bats 11834-s000014370
PIASMJ
Used Combat B2 28" -11 Drop Usssa 2 5 8 Barrel Bats 11834-s000014370
$32
SOLD
Senior Bauer Vapor Hyperlite 2 Left Hand Hockey Stick (Used)
MichaelMesic19
Senior Bauer Vapor Hyperlite 2 Left Hand Hockey Stick (Used)
$60
SOLD
Large Vaughn Ventus SLR2 Pro Carbon Goalie Chest Protector Pro Stock (Used)
hkygoalie1
Large Vaughn Ventus SLR2 Pro Carbon Goalie Chest Protector Pro Stock (Used)
$200
SOLD
Retail price: $500
Black Men's Size M 10.5 (W 11.5) Adult Adidas Low Top Molded Cleats (Used)
trevorrmorris
Black Men's Size M 10.5 (W 11.5) Adult Adidas Low Top Molded Cleats (Used)
$20
SOLD
CCM Tracks Pro NHL Pro Stock Ice Hockey Player Elbow Pads Protective Senior Medium
VictorSportsSideline Pro+
CCM Tracks Pro NHL Pro Stock Ice Hockey Player Elbow Pads Protective Senior Medium
$130
SOLD
Ohio state practice jersey
5_4fitng
Ohio state practice jersey
$45
SOLD
Junior Large/Extra Large CCM EFLEX 5.5 Goalie Chest Protector (Used)
GreatLakeSportsSideline Pro+
Junior Large/Extra Large CCM EFLEX 5.5 Goalie Chest Protector (Used)
$70
SOLD
Used Bauer Fly-TI | 280mm | R501
TopFlightHockeySideline Pro+
Used Bauer Fly-TI | 280mm | R501
$60
SOLD
Medium CCM Tacks 710 Helmet Pro Stock (Used)
Capita100
Medium CCM Tacks 710 Helmet Pro Stock (Used)
$131
SOLD

From the Blog

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
Vintage Sports, Unique Stories: Inside the World of Pro Seller Zach’s Trunk Show

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.