Dior B30 Countdown Sneakers

Name: Dior B30 Countdown Sneakers
Brand: Dior
SKU: nf-fashion-20261027-s12

Availability is confirmed individually through Client Services.

Size & fit

Preferred size (US reference)

Reference size only. Fit and available sizes require confirmation.

Size chart US reference

Adult reference only. Sizing varies by brand and style. Your selection is a size request; fit and availability must be confirmed before purchase.

Reference benchmark: Nike adult sizing.

Men's shoe reference

Measure both feet while standing on a flat surface. Use the longer heel-to-toe measurement. Foot length in cm is not the CM/JP label printed on a shoe box. Men's and women's charts are separate references; conversions and fit vary by brand and style.

Men's shoe reference · US reference
US size	UK	EU	Foot length (cm)
4	3.5	36	22.0
4.5	4	36.5	22.4
5	4.5	37.5	22.9
5.5	5	38	23.3
6	5.5	38.5	23.7
6.5	6	39	24.1
7	6	40	24.5
7.5	6.5	40.5	25.0
8	7	41	25.4
8.5	7.5	42	25.8
9	8	42.5	26.2
9.5	8.5	43	26.7
10	9	44	27.1
10.5	9.5	44.5	27.5
11	10	45	27.9
11.5	10.5	45.5	28.3
12	11	46	28.8
12.5	11.5	47	29.2
13	12	47.5	29.6
13.5	12.5	48	30.0
14	13	48.5	30.5

Source: Nike Men's shoes (opens in a new tab)

Women's shoe reference

Women's shoe reference · US reference
US size	UK	EU	Foot length (cm)
5	2.5	35.5	22.0
5.5	3	36	22.4
6	3.5	36.5	22.9
6.5	4	37.5	23.3
7	4.5	38	23.7
7.5	5	38.5	24.1
8	5.5	39	24.5
8.5	6	40	25.0
9	6.5	40.5	25.4
9.5	7	41	25.8
10	7.5	42	26.2
10.5	8	42.5	26.7
11	8.5	43	27.1
11.5	9	44	27.5
12	9.5	44.5	27.9

Source: Nike Women's shoes (opens in a new tab)

Outside these reference ranges? Ask us about sizing. Product measurements, width, garment length and available sizes are confirmed for the individual piece.

Ask about sizing

Purchase

Choose your payment method and review delivery details in the next step.

About this piece

A layered running silhouette in black and white with curved side details and a sculpted sole. A sporty option for relaxed everyday outfits.

Brand: Dior
Category: Shoes

A little clarity

Before you decide.

From finding your fit to arranging a purchase. A few helpful places to start.

Explore all questions

What does Coming Soon mean?

A price has not yet been published for this piece. Contact Client Services to ask about its current availability and pricing before arranging a purchase.

How can I check the size or fit?

Measurements are shown on the product page when available. If you need a size, a fit comparison or an additional measurement, share the product link with Client Services before deciding.

How do I arrange a purchase?

Select Purchase on a product page to choose a payment method and review delivery and aftercare. Shopify, card and wallet options open our Shopify store, where you select your item before paying. PayPal and Wise instructions will appear on the payment page once available. Client Services can help with product or order questions.

How do I check delivery options and timing?

Share your destination with Client Services and ask about availability, delivery charges and the estimated timeframe for your chosen piece before arranging a purchase.

What should I know about returns or exchanges?

Ask Client Services for the return and exchange terms that apply to your piece before arranging a purchase, including eligibility, any time limit and any costs. Do not assume that the same terms apply to every item.

How can I check warranty or repair support?

Contact Client Services about the particular item. Ask whether any warranty or repair support applies and request the scope, duration and conditions before purchasing.