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Nike ReactX Infinity Run 4 TB 'Cool Grey Team Maroon'

Name: Nike ReactX Infinity Run 4 TB 'Cool Grey Team Maroon'
Brand: Nike
SKU: FJ1221-018
Availability: InStock

Nike · Style FJ1221-018 · Released 2023-08-15

from $129.95

Select a size:

Size chart — Nike

Full Nike size guide

Use the chart below to convert between US, UK, EU and JP sizes.

Men

US	UK	EU	JP (cm)
3.5	3	35.5	22.5
4	3.5	36	23
4.5	4	36.5	23.5
5	4.5	37.5	23.5
5.5	5	38	24
6	5.5	38.5	24
6.5	6	39	24.5
7	6	40	25
7.5	6.5	40.5	25.5
8	7	41	26
8.5	7.5	42	26.5
9	8	42.5	27
9.5	8.5	43	27.5
10	9	44	28
10.5	9.5	44.5	28.5
11	10	45	29
11.5	10.5	45.5	29.5
12	11	46	30
12.5	11.5	47	30.5
13	12	47.5	31
13.5	12.5	48	31.5
14	13	48.5	32
14.5	13.5	49	32.5
15	14	49.5	33
15.5	14.5	50	33.5
16	15	50.5	34
16.5	15.5	51	34.5
17	16	51.5	35
17.5	16.5	52	35.5
18	17	52.5	36
18.5	17.5	53	36.5
19	18	53.5	37
19.5	18.5	54	37.5
20	19	54.5	38
20.5	19.5	55	38.5
21	20	55.5	39
21.5	20.5	56	39.5
22	21	56.5	40

Women

US	UK	EU	JP (cm)
3.5	1.5	33.5	21
4	1.5	34.5	21
4.5	2	35	21.5
5	2.5	35.5	22
5.5	3	36	22.5
6	3.5	36.5	23
6.5	4	37.5	23.5
7	4.5	38	24
7.5	5	38.5	24.5
8	5.5	39	25
8.5	6	40	25.5
9	6.5	40.5	26
9.5	7	41	26.5
10	7.5	42	27
10.5	8	42.5	27.5
11	8.5	43	28
11.5	9	44	28.5
12	9.5	44.5	29
12.5	10	45	29.5
13	10.5	45.5	30
13.5	11	46	30.5
14	11.5	47	31
14.5	12	47.5	31.5
15	12.5	48	32
15.5	13	48.5	32.5
16	13.5	49	33
16.5	14	50	33.5
17	14.5	50.5	34
17.5	15	51	34.5
18	15.5	51.5	35
18.5	16	52	35.5
19	16.5	52.5	36
19.5	17	53	36.5
20	17.5	53.5	37
20.5	18	54	37.5
21	18.5	54.5	38
21.5	19	55	38.5
22	19.5	55.5	39
22.5	20	56	39.5

Kids

US	UK	EU	JP (cm)
1C	0.5	16	7
2C	1.5	17	8
3C	2.5	18.5	9
4C	3.5	19.5	10
5C	4.5	21	11
6C	5.5	22	12
7C	6.5	23.5	13
8C	7.5	25	14
9C	8.5	26	15
10C	9.5	27	16
11C	10.5	28	17
12C	11.5	29.5	18
13C	12.5	31	19
1Y	13.5	32	20
1.5Y	1	33	20.5
2Y	1.5	33.5	21
2.5Y	2	34	21.5
3Y	2.5	35	22
3.5Y	3	35.5	22.5
4Y	3.5	36	23
4.5Y	4	36.5	23.5
5Y	4.5	37.5	23.5
5.5Y	5	38	24
6Y	5.5	38.5	24
6.5Y	6	39	24.5
7Y	6	40	25

Free U.S. shipping · Authenticity guaranteed

Size, price & UPC details

Size	Price	UPC	Delivery
US M 6 / W 7.5	—	196608370093	Out of stock
US M 6.5 / W 8	$129.95	196608370109	3-4 business days
US M 7 / W 8.5	—	196608370116	Out of stock
US M 7.5 / W 9	$221.95	196608370123	3-4 business days
US M 8 / W 9.5	—	196608370130	Out of stock
US M 8.5 / W 10	—	196608370147	Out of stock
US M 9 / W 10.5	—	196608370154	Out of stock
US M 9.5 / W 11	—	196608370161	Out of stock
US M 10 / W 11.5	—	196608370178	Out of stock
US M 10.5 / W 12	—	196608370185	Out of stock
US M 11 / W 12.5	—	196608370192	Out of stock
US M 11.5 / W 13	—	196608370208	Out of stock
US M 12 / W 13.5	—	196608370215	Out of stock
US M 12.5 / W 14	—	196608370222	Out of stock
US M 13 / W 14.5	—	196608370239	Out of stock
US M 14 / W 15.5	—	196608370246	Out of stock
US M 15 / W 16.5	—	196608370253	Out of stock
US M 16 / W 17.5	—	196968077496	Out of stock
US M 17 / W 18.5	—	196968077502	Out of stock
US M 18 / W 19.5	—	196968077519	Out of stock

About the Nike ReactX Infinity Run 4 TB 'Cool Grey Team Maroon'

Silhouette	ReactX Infinity Run
Colorway	Cool Grey/Team Maroon/White
Material	Flyknit
Season	2023
Release Date	2023-08-15

What buyers say about us

Selected customer feedback. Feedback about our store and the buying experience, from sold.supply, eBay and Trustpilot. The source and purchase verification are shown on each card. These are not product ratings.

★★★★★Verified sold.supply purchaseTrustpilot review ↗

They had many colors in the shoe I…

They had many colors in the shoe I wanted plus best price on the whitaker rejuven8s. The communication was great and shoes shipped quickly. I bought all 3 colors, they look better in person!!

Purchased items

The Whitacker Group x Nike Reactx Rejuven8 'Violet Rush'

The Whitacker Group x Nike Reactx Rejuven8 'Blue Drift'

The Whitacker Group x Nike Reactx Rejuven8 'Black Signal'

Kalli Schutz · Oct 2026

★★★★★Verified sold.supply purchaseTrustpilot review ↗

Fast shipper and I’m glad I found them

Fast shipper and I’m glad I found them. I have been looking for these bred 11s for the longest. The sneakers were authentic and nicely boxed. I will definitely order from this store again.

Purchased item

Air Jordan 11 Retro 'Bred' 2019

Sassou · Oct 2026

★★★★★Verified sold.supply purchaseTrustpilot review ↗

everything was great timely perfect…

everything was great timely perfect condition and great price

Purchased item

Jordan 9 Retro OG Space Jam (2026)

deyon henderson · Sep 2026

★★★★★Verified eBay purchase

Seller was quick to ship the item, it was packed very well, which is good, because FedEx did not treat the box kindly, lol. The shoe’s survived in great shape and are exactly as described. Thanks! A++++ seller.

Purchased item