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Nike Flex Train 'Diffused Blue'

Name: Nike Flex Train 'Diffused Blue'
Brand: Nike
SKU: HV9972-400
Availability: InStock

Nike · Style HV9972-400 · Released 2025-12-20

from $106.95

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	$130.95	198487984569	3-4 business days
US M 6.5 / W 8	—	198487974225	Out of stock
US M 7 / W 8.5	—	198487975963	Out of stock
US M 7.5 / W 9	$106.95	198487972665	5-7 business days
US M 8 / W 9.5	—	198487973686	Out of stock
US M 8.5 / W 10	—	198487984064	Out of stock
US M 9 / W 10.5	—	198487972870	Out of stock
US M 9.5 / W 11	—	198487981544	Out of stock
US M 10 / W 11.5	—	198487984248	Out of stock
US M 10.5 / W 12	—	198487978520	Out of stock
US M 11 / W 12.5	—	198487979077	Out of stock
US M 11.5 / W 13	—	198487976458	Out of stock
US M 12 / W 13.5	—	198487985955	Out of stock
US M 12.5 / W 14	—	198487977363	Out of stock
US M 13 / W 14.5	—	198487984958	Out of stock
US M 14 / W 15.5	—	198487986594	Out of stock
US M 15 / W 16.5	—	198487983661	Out of stock

About the Nike Flex Train 'Diffused Blue'

Silhouette	Flex
Colorway	Diffused Blue/Work Blue/White
Material	Synthetic
Season	2025
Release Date	2025-12-20

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!!

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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