A
- a3 Megaride 5
- ADI2000 24
- Adicross 1
- Adidas Court 3
- Adidas Italia 13
- Adidas Japan 13
- Adidas Slide 4
- Adidas Sport 13
- Adidas Tokyo 1
- Adi Ease 2
- adiFOM Adilette Slide 4
- adiFOM Climacool 10
- adiFOM IIInfinity 12
- adiFOM Q 16
- adiFOM SLTN 5
- adiFOM Supernova 6
- adiFOM Superstar 12
- Adilette 167
- Adilette 22 33
- Adilette Boost 21
- Adilette Clog 5
- Adilette Lumia 8
- Adimatic 54
- Adimule 6
- Adipower Weightlifting 3
- Adipure 1
- Adi Racer 12
- Adissage 5
- Adistar 14
- Adistar Control 5 30
- Adistar Cushion 18
- Adistar Jellyfish 8
- Adizero Adios 1
- Adizero Adios 9 1
- Adizero Adios OG 4
- Adizero Adios Pro 3 20
- Adizero Ambition 5
- Adizero Aruku 22
- Adizero Avanti 2
- Adizero Boston 2
- Adizero Boston 12 9
- Adizero Boston 13 8
- Adizero Electric 7
- Adizero Electric+ 1
- Adizero Electric.2 4
- Adizero Evo SL 10
- Adizero F50 63
- Adizero Finesse Spikes 8
- Adizero Goukana 8
- Adizero Impact.2 2
- Adizero Instinct 2.0 2
- Adizero Prime 1
- Adizero Prime X 18
- Adizero RC 5
- Adizero Select 4
- Adizero Select 2.0 4
- Adizero SL 11
- Adizero SL2 8
- Adizero Takumi 2
- Adizero Ubersonic 5 1
- Advantage 12
- AE 1 21
- AE 2 12
- Aloha Super 12
- AlphaBoost 9
- AlphaBoost V1 3
- Alphabounce 26
- Alphabounce Slide 2
- AlphaEdge+ 1
- AlphaEdge 4D 7
- Alphatorsion 3
- Alphatorsion 2.0 1
- AM4 4
- Americana 1
- AR 4
- AR Trainer 1
- Avacourt 1
- Avryn 5
B
- Barreda 31
- Barricade 1
- Bermuda 8
- Boston Super 2
- Box Hog 6
- Bravada 5
- Break Start 6
- Busenitz 29
- BW Army 31
- BYW Select 2
C
- Campus 209
- Centennial 22
- Climacool 28
- ClimaCool 1 2
- Climacool Ventania 15
- Climacool Vento 16
- Climawarm 10
- Coast Star 7
- CodeChaos 2
- Continental 80 34
- Continental Vulc 1
- Copa 2
- Copa Gloro 3
- Copa Mundial 4
- Copa Premiere 3
- Copa Pure 54
- Copa Sense+ 4
- Copa Sense.1 6
- Copa Sense.3 1
- Country 33
- CourtBlock 1
- CourtJam 1
- Courtpoint 3
- Court Tourino 1
- Crazy 1 ADV 2
- Crazy 8 2
- Crazy BYW 7
- Crazychaos 8
- Crazyflight 5
- Crazy IIInfinity 5
- Crazy Quick 1
D
- D.O.N. Issue #1 1
- D.O.N. Issue #2 2
- D.O.N. Issue #3 2
- D.O.N. Issue #4 2
- D.O.N. Issue #5 4
- D.O.N. Issue #6 4
- Daily 4.0 8
- Dame 6 3
- Dame 7 3
- Dame 8 5
- Dame 9 3
- Dame Certified 4
- Dame Certified 3 7
- Dame X 2
- Day Jogger 5
- Deerupt 6
- Delpala 1
- Detroit Runner 4
- Dropset 16
- Drop Step 35
- D Rose Son of Chi 1
- Duramo 22
- Duramo Slides 1
E
- Entrap 13
- EQ19 2
- EQT ADV 10
- EQT Basketball 12
- EQT Cushion 2
- EQT Gazelle 1
- EQT Racing 1
- EQT Support 16
- EQT Support 93/17 4
- Equipment 13
- Exhibit A 1
- Exhibit B 1
F
- F50 11
- Five Ten 10
- Forest Grove 2
- Forest Hills 1
- Forum 333
- Forum2000 7
- Futro Mixr 11
- Futurecraft 4D 6
- FYW S-97 2
H
- Haiwee 3
- Hamburg 1
- Handball 207
- Hard Court 1
- Harden Stepback 2
- Harden Vol. 1 4
- Harden Vol. 3 1
- Harden Vol. 4 3
- Harden Vol. 6 5
- Harden Vol. 7 5
- Harden Vol. 8 5
- Harden Vol. 9 6
- Harden Vol. 10 7
- Hoops 2.0 6
- Hoops 3.0 9
- Hoops 4.0 6
- Hyperfast 16
- Hyperturf 10
I
- I-5923 3
- Iniki Runner 2
- Intimidation 5
J
- Jabbar 35
- Jeremy Scott Wings 2
L
- LA Trainer 6
- Lightblaze 12
- Lightblaze Slide 2
- Ligra 3
- Lite Racer 6
- London 4
- Lucas Premiere 1
- LWST 12
- LXCON 10
M
- Marathon 1
- Matchbreak Super 6
- Matchcourt 3
- Maxxwavy 4
- Megaride O1 4
- Microbounce 2
- Micropacer 2
- Multix 11
- Munchen 1
N
- Neo 3
- New York 3
- Niteball 43
- Nite Jogger 69
- Nizza 78
- NMD City Sock 3
- NMD Human Race 35
- NMD Human Race Trail 8
- NMD Runner 157
- NMD XR1 1
- NMD_G1 1
- NMD_S1 21
- NMD_V3 15
- Nora 19
- Novaflight 2
- NY 90 4
P
- P.O.D. S3.1 9
- Powerlift 4 1
- Powerlift 5 3
- PowerPhase 11
- Predator 20.1 1
- Predator 24 Elite 3
- Predator 24 League 9
- Predator 24 League Freestyle 8
- Predator 24 Pro 3
- Predator Accuracy+ 1
- Predator Accuracy.1 5
- Predator Accuracy.3 3
- Predator Club 6
- Predator Edge+ 1
- Predator Edge.1 3
- Predator Edge.3 2
- Predator Elite 47
- Predator Freak.1 4
- Predator Freak.3 3
- Predator League 21
- Predator Pro 13
- Predator Sala 7
- Pro Bounce 2018 1
- Pro Model 18
- Prophere 3
- Puffylette 10
- Puig 5
- Puig Indoor 5
- PulseBoost HD 1
- PureBoost 45
- PureBoost 5 11
- PureBoost 22 3
- PureBoost ZG 1
Q
- QT Racer 1
R
- R71 14
- Rapidmove 2
- Response 1
- Response CL 19
- Response SR 2
- Retropy E5 60
- Retropy F2 4
- Retropy F90 5
- Rivalry 84
- Rod Laver 3
- Run 60s 1
- Run 90s 2
S
- S2G 4
- Samba 432
- Samoa 8
- SC Premiere 7
- Seeley 3
- Seeulater 4
- SenseBoost Go 1
- Shadow Fever 12
- Shadowturf 10
- SL72 86
- Sleek 1
- Sobakov 3
- Solar Hu 8
- Speedex 18 1
- Speedfactory 2
- Spiritain 2000 30
- Sprintstar 4
- Stadt 26
- Stan Smith 195
- Streetball 27
- Streetball 2 2
- Strutter 5
- Subzone 4
- Supercourt 10
- Supernova 5
- Supernova Cushion 7 5
- Supernova Rise 1
- Superskate 3
- Superstar 489
- Superstar ADV 14
- Swift Run 27
T
- Taekwondo 4
- Temper Run 5
- Tennis Hu 9
- Terrex 5
- Terrex Agravic 4
- Terrex Agravic Speed 1
- Terrex Free Hiker 5
- Terrex Hydroterra 10
- Terrex Skychaser 2
- Terrex Snowpitch 1
- Terrex Trailmaker 1
- The Road 2
- Tobacco 13
- Top Ten 26
- Top Ten 2000 1
- Trae Unlimited 1
- Trae Young 1 6
- Trae Young 2 3
- Trae Young 3 4
- Tresc Run 2
- Treziod 2 3
- TRX Vintage 4
- Tubular 1
- Tubular Doom 5
- Tubular Invader 3
- Tubular Nova 2
- Tubular Radial 7
- Tubular Shadow 16
- Tubular Viral 1
- Tubular X 2
- Tyshawn 14
U
- UBounce DNA 1
- Ultra 4D 19
- UltraBoost 217
- UltraBoost 5 12
- UltraBoost 5.0 3
- UltraBoost 5X 9
- UltraBoost 19 5
- UltraBoost 20 45
- UltraBoost 21 16
- UltraBoost 22 19
- UltraBoost Laceless 1
- UltraBoost Light 17
- UltraBoost Uncaged 6
- Ultrarun 1
- U_Path 9
W
X
- X 19+ 1
- X9000L2 1
- X9000L4 19
- X Crazyfast 16
- X Ghosted+ 1
- X Ghosted.1 1
- XLG Runner Deluxe 13
- X Speedflow+ 1
- X Speedflow.1 1
- X Speedflow.3 1
- X Speedportal+ 2
- X Speedportal.1 3
- X Speedportal.3 5
- X_PLR 10
Y
- Yeezy 450 10
- Yeezy 500 29
- Yeezy 700 V3 9
- Yeezy Boost 350 89
- Yeezy Boost 380 21
- Yeezy Boost 700 40
- Yeezy Desert Boot 7
- Yeezy Foam Runner 21
- Yeezy Quantum 12
- Yeezy Slides 25
- Yung-1 17
- Yung-96 11
Price, US 4
Category
Material
FY0378
adidas UltraBoost 21 'Core Black'
$91
FY0379
adidas UltraBoost 21 'Cloud White'
$2,000
G55649
Parley x adidas UltraBoost 21 'Focus Olive'
$77
FY0381
adidas UltraBoost 21 'Grey'
$200
FY0375
adidas UltraBoost 21 'Grey Screaming Orange'
$80
G55650
Parley x adidas UltraBoost 21 'Non Dyed Black'
$119
GZ6073
Adidas UltraBoost 21 'Chinese New Year'
$93
FZ2326
Adidas UltraBoost 21 'White Sub Green'
$25
H01177
Parley x adidas UltraBoost 21 'Black Grey'
$52
GY5556
Palace x adidas UltraBoost 21 'White Multicolor'
$1,000
GY5555
Palace x adidas UltraBoost 21 'Black Multicolor'
$68
FY0848
Adidas UltraBoost 21 'Solar Yellow'
$71
GX1245
Parley x adidas UltraBoost 21 'Orbit Grey Chalky Brown'
$2,000
FY0371
Adidas UltraBoost 21 'Crystal White'
$2,000
GY1332
Adidas UltraBoost 21 'Teaser'
$2,000
GX5254
adidas UltraBoost 21 'Black Beige Tone'
$49
How much are adidas UltraBoost 21s in size 4?
16 adidas UltraBoost 21 colorways in men's US 4 sell new with the original box from $49 to $2,000; the typical pair is $91. 10 of them list under retail, one in ten of those is 70% off or more. Prices as of Oct 2026.