#
- 3MC 1
A
- Adidas Japan 1
- Adidas Slide 1
- Adidas Sport 1
- adiFOM IIInfinity 2
- Adifom Stan Smith Mule 1
- adiFOM Superstar 2
- Adilette 18
- Adilette 22 2
- Adilette Boost 2
- Adizero 11 1
- Adizero Adios OG 1
- Adizero Aruku 1
- Adizero Goukana 1
- Adizero Impact+ 1
- Adizero Select 1
- Adizero Takumi 1
- Advantage 1
- AE 1 3
- AE 2 3
- Aloha Super 1
- Alphabounce 1
- Alphabounce Slide 1
- AltaSwim 1
- AltaVenture 3
B
- Barreda 2
- Break Start 1
- Busenitz 1
- BYW Select 1
C
- Campus 11
- Centennial 1
- Continental 80 3
- Copa Premiere 1
- Copa Sense.3 1
- Crazy 1 ADV 1
- Crazy BYW 2
D
E
- EQT Gazelle 1
- EQT Support 1
- Exhibit B 1
G
- Galaxy 6 1
- Gazelle 10
- Grand Court 1
H
I
- Icon 7 1
- Icon Bounce 1
J
- Jabbar 1
K
- Kaptir 3
L
- Lightblaze Slide 1
- Ligra 1
- LWST 1
M
- Multix 2
N
- N-5923 1
- Nite Jogger 1
- Nizza 1
- NMD 360 3
- NMD Runner 8
- NMD XR1 1
O
- Own The Game 1
- Ozweego 1
P
Q
S
- Samba 4
- Seeley 1
- SL72 5
- SL Loop 1
- Speed Trainer 1
- Sport Pro 1
- Sprintstar 1
- Stadt 1
- Stan Smith 1
- Supernova 1
- Superstar 5
- Swift Run 1
T
U
- UltraBoost 1
- UltraBoost 21 1
- UltraBoost 22 1
- Ultrabounce 1
- Ultrarun 1
V
- VL Court 2
W
X
Y
- Yeezy Quantum 1
- Yung-96 1
Z
- ZX 2K Boost 2
- ZX 750 1
- ZX Flux 1
Which Red adidas UltraBoost 21 cost under $50?
1 Red adidas UltraBoost 21 in men's and women's sizes sell new with the original box from $49; the typical pair is $49. 1 of them list under retail, one in ten of those is 70% off or more. Prices as of Oct 2026.