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JJJJound x Puma Mostro 'Deep Navy'

Name: JJJJound x Puma Mostro 'Deep Navy'
Brand: Puma
SKU: 403823-03
Availability: InStock

Puma · Style 403823-03 · Released 2025-07-10

from $169.80

Select a size:

Size chart — Puma

Full Puma size guide

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

Men

US	UK	EU
6	5	38
6.5	5.5	38.5
7	6	39
7.5	6.5	40
8	7	40.5
8.5	7.5	41
9	8	42
9.5	8.5	42.5
10	9	43
10.5	9.5	44
11	10	44.5
11.5	10.5	45
12	11	46
12.5	11.5	46.5
13	12	47
14	13	48.5
15	14	49.5
16	15	51

Women

US	UK	EU
5.5	3	35.5
6	3.5	36
6.5	4	37
7	4.5	37.5
7.5	5	38
8	5.5	38.5
8.5	6	39
9	6.5	40
9.5	7	40.5
10	7.5	41
10.5	8	42
11	8.5	42.5

Kids

US	UK	EU	JP (cm)
4	3	19	12.1
5	4	20	12.7
6	5	22	14.0
7	6	23	14.6
8	7	24	15.6
9	8	25	15.9
10	9	27	16.5
10.5	9.5	27.5	16.8
11	10	28	17.1
12	11	29	18.1
13	12	31	19.1
1	13	32	19.7
1.5	13.5	32.5	20.3
2	1	33	20.6
2.5	1.5	34	21.0
3	2	34.5	21.6
3.5	2.5	35	21.9
4	3	35.5	22.2
4.5	3.5	36	22.9
5	4	37	23.2
5.5	4.5	37.5	23.5
6	5	38	24.1
6.5	5.5	38.5	24.4
7	6	39	24.8

Free U.S. shipping · Authenticity guaranteed

14-day returns & equal-value exchanges — policy

Size, price & UPC details

Size	Price	UPC	Delivery
US M 8 / W 9.5	$169.80	198555180664	5-7 business days
US M 8.5 / W 10	—	198555180732	Out of stock
US M 9 / W 10.5	—	198555180671	Out of stock
US M 9.5 / W 11	$169.80	198555180749	5-7 business days
US M 10 / W 11.5	—	198555180688	Out of stock
US M 10.5 / W 12	—	198555180572	Out of stock
US M 11 / W 12.5	—	198555180756	Out of stock
US M 11.5 / W 13	$300.70	198555180619	3-4 business days
US M 12 / W 13.5	—	198555180589	Out of stock
US M 13 / W 14.5	$448.10	198555180596	3-4 business days

About the JJJJound x Puma Mostro 'Deep Navy'

The JJJJound x PUMA Mostro 'Deep Navy' updates the retro silhouette with a minimalist design in keeping with the Montreal brand's signature aesthetic. Lined in off-white leather and secured with asymmetrical lacing, the navy suede upper features tonal stitching that gives shape to the Formstrip. JJJJound branding graces the heel patch and sockliner. Underpinning the sneaker is a spiky black rubber outsole that wraps up the toe and heel.