Lapstone & Hammer x ASICS Gel Kayano 12.1 'The Spark'

Name: Lapstone & Hammer x ASICS Gel Kayano 12.1 'The Spark'
Brand: ASICS
SKU: 1203B103-100
Availability: InStock

ASICS · Style 1203B103-100 · Released 2026-05-02

from $376.60

Select a size:

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

US	UK	EU	JP (cm)
4	3	36	22.5
4.5	3.5	37	23
5	4	37.5	23.5
5.5	4.5	38	24
6	5	39	24.5
6.5	5.5	39.5	25
7	6	40	25.25
7.5	6.5	40.5	25.5
8	7	41.5	26
8.5	7.5	42	26.5
9	8	42.5	27
9.5	8.5	43.5	27.5
10	9	44	28
10.5	9.5	44.5	28.25
11	10	45	28.5
11.5	10.5	46	29
12	11	46.5	29.5
12.5	11.5	47	30
13	12	48	30.5
13.5	12.5	48.5	30.75
14	13	49	31
14.5	13.5	49.5	31.5
15	14	50.5	32

US	UK	EU	JP (cm)
5	3	35.5	22.5
5.5	3.5	36	22.75
6	4	37	23
6.5	4.5	37.5	23.5
7	5	38	24
7.5	5.5	39	24.5
8	6	39.5	25
8.5	6.5	40	25.5
9	7	40.5	25.75
9.5	7.5	41.5	26
10	8	42	26.5
10.5	8.5	42.5	27
11	9	43.5	27.5
11.5	9.5	44	28
12	10	44.5	28.5
12.5	10.5	45	28.75
13	11	46	29
13.5	11.5	46.5	29.5
14	12	47	30

US	UK	EU	JP (cm)
K4	K3	19.5	11.5
K5	K4	21	13
K6	K5	22.5	14
K7	K6	23.5	15
K8	K7	25	15.5
K9	K8	26	16
K10	K9	27	17
K10.5	K9.5	28	17.25
K11	K10	28.5	17.5
K11.5	K10.5	29.5	18
K12	K11	30	18.5
K12.5	K11.5	30.5	19
K13	K12	31.5	19.5
K13.5	K12.5	32	19.75
1	K13	32.5	20
1.5	K13.5	33	20.5
2	1	33.5	21
2.5	1.5	34.5	21.5
3	2	35	22
3.5	2.5	35.5	22.25
4	3	36	22.5
4.5	3.5	37	23
5	4	37.5	23.5
5.5	4.5	38	24
6	5	39	24.5
6.5	5.5	39.5	25
7	6	40	25.5

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Size, price & UPC details

Size	Price	UPC	Delivery
US M 4.5 / W 6	—	199023197863	Out of stock
US M 5 / W 6.5	—	199023197740	Out of stock
US M 5.5 / W 7	—	199023197771	Out of stock
US M 6 / W 7.5	$471.20	199023197733	3-4 business days
US M 6.5 / W 8	—	199023197801	Out of stock
US M 7 / W 8.5	—	199023197856	Out of stock
US M 7.5 / W 9	—	199023197849	Out of stock
US M 8 / W 9.5	$376.60	199023197719	3-4 business days
US M 8.5 / W 10	—	199023197757	Out of stock
US M 9 / W 10.5	—	199023197832	Out of stock
US M 9.5 / W 11	—	199023197764	Out of stock
US M 10 / W 11.5	—	199023197702	Out of stock
US M 10.5 / W 12	—	199023197818	Out of stock
US M 11 / W 12.5	$575.70	199023197788	3-4 business days
US M 11.5 / W 13	—	199023197825	Out of stock
US M 12 / W 13.5	—	199023197696	Out of stock
US M 13 / W 14.5	$517.40	199023197870	3-4 business days
US M 14 / W 15.5	—	199023197726	Out of stock