A
- Adizero Cleat 4
- Adizero Electric+ 4
- Adizero Prime 3
- Arkyn 2
- Asweego 1
B
C
D
- Dame 7 3
- D Lillard 2 1
- D Rose 7 1
E
- Edge Lux 2
- Energy Boost 1
- EQT Support 1
F
- Fluidflow 5
- Forum 1
- Freak Ultra 1
H
K
- Kaptir 23
L
N
- N3xt L3v3l 2
- NMD Human Race 1
- NMD Runner 32
- NMD_S1 4
- NMD_V3 1
O
- Ozweego 2
P
R
- Racer TR 2.0 1
- RapidaRun 2
- Rapidmove 2
- Rapidmove ADV 1
S
- SenseBoost Go 2
- Solar Boost 1
- SolarGlide 5
- Stan Smith 1
- Supernova 1
- Swift Run 7
T
- Tennis Hu 3
- Terrex Free Hiker 14
- Tour 360 1
- Trae Young 2 2
- Tubular Doom 2
- Tubular Shadow 2
U
- UBounce DNA 9
- Ultra 4D 4
- UltraBoost 154
- UltraBoost 5 6
- UltraBoost 5.0 10
- UltraBoost 5X 14
- UltraBoost 19 1
- UltraBoost 21 13
- UltraBoost 22 5
- UltraBoost Laceless 2
- UltraBoost Uncaged 15
- UltraDream 4
Y
GX1245
Parley x adidas UltraBoost 21 'Orbit Grey Chalky Brown'
$71
FY3952
adidas UltraBoost 21 'Carbon Solar Red'
$58
S23871
adidas UltraBoost 21 'Grey Sonic Ink'
$90
GV7724
adidas Wmns UltraBoost 21 'Grey Silver Metallic'
$80
S23908
Adidas Wmns UltraBoost 21 Cold.Rdy 'Halo Silver Ice Purple'
$108
S23846
Adidas Wmns UltraBoost 21 'Grey Ice Purple'
$135
GV7122
adidas UltraBoost 21 Cold.RDY 'Grey Solar Red'
$105
FY0397
Adidas Wmns UltraBoost 21 'Grey Screaming Orange'
$48
S23875
Adidas UltraBoost 21 'Grey Volt'
$148
GX7969
Adidas UltraBoost 21 'NCAA Pack - Kansas'
$105
GY0428
Adidas UltraBoost 21 'NCAA Pack - North Carolina State'
$186
GY0429
adidas UltraBoost 21 'NCAA Pack - Texas A&M'
$130
GV7726
adidas UltraBoost 21 'Solid Grey'
$140
How much do Grey Knit adidas UltraBoost 21 cost?
13 Grey Knit adidas UltraBoost 21 in men's and women's sizes sell new with the original box from $48 to $186; the typical pair is $105. 12 of them list under retail, one in ten of those is 65% off or more. Prices as of Oct 2026.