Home › Footwear › Soccer

adidas F50 League Laceless FG/MG Lamine Yamal Football's Heartbreaker Pack (Kids)

Name: adidas F50 League Laceless FG/MG Lamine Yamal Football's Heartbreaker Pack (Kids)
Brand: adidas
SKU: KJ3780
Availability: InStock

adidas · Style KJ3780 · Released 2026-03-04

from $104.90

Select a size:

Size chart — adidas

Full adidas size guide

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

Men

US	UK	EU	JP (cm)
4	3.5	36	22.1
4.5	4	36 2/3	22.5
5	4.5	37 1/3	22.9
5.5	5	38	23.3
6	5.5	38 2/3	23.8
6.5	6	39 1/3	24.2
7	6.5	40	24.6
7.5	7	40 2/3	25.0
8	7.5	41 1/3	25.5
8.5	8	42	25.9
9	8.5	42 2/3	26.3
9.5	9	43 1/3	26.7
10	9.5	44	27.1
10.5	10	44 2/3	27.6
11	10.5	45 1/3	28.0
11.5	11	46	28.4
12	11.5	46 2/3	28.8
12.5	12	47 1/3	29.3
13	12.5	48	29.7
13.5	13	48 2/3	30.1
14	13.5	49 1/3	30.5
14.5	14	50	31.0
15	14.5	50 2/3	31.4
16	15	51 1/3	31.8
17	16	52 2/3	32.6
18	17	53 1/3	33.5
19	18	54 2/3	34.3
20	19	55 2/3	35.2

Women

US	UK	EU	JP (cm)
5	3.5	36	22.1
5.5	4	36 2/3	22.5
6	4.5	37 1/3	22.9
6.5	5	38	23.3
7	5.5	38 2/3	23.8
7.5	6	39 1/3	24.2
8	6.5	40	24.6
8.5	7	40 2/3	25.0
9	7.5	41 1/3	25.5
9.5	8	42	25.9
10	8.5	42 2/3	26.3
10.5	9	43 1/3	26.7
11	9.5	44	27.1
11.5	10	44 2/3	27.6
12	10.5	45 1/3	28.0
12.5	11	46	28.4
13	11.5	46 2/3	28.8
13.5	12	47 1/3	29.3
14	12.5	48	29.7
14.5	13	48 2/3	30.1
15	13.5	49 1/3	30.5
15.5	14	50	31.0

Kids

US	UK	EU	JP (cm)
1k	0k	16	8.1
2k	1k	17	9.0
3k	2k	18	9.8
4k	3k	19	10.6
5k	4k	20	11.5
5.5k	5k	21	12.3
6k	5.5k	22	12.8
6.5k	6k	23	13.2
7k	6.5k	23.5	13.6
7.5k	7k	24	14.0
8k	7.5k	25	14.5
8.5k	8k	25.5	14.9
9k	8.5k	26	15.3
9.5k	9k	26.5	15.7
10k	9.5k	27	16.1
10.5k	10k	28	16.6
11k	10.5k	28.5	17.0
11.5k	11k	29	17.4
12k	11.5k	30	17.8
12.5k	12k	30.5	18.3
13k	12.5k	31	18.7
13.5k	13k	31.5	19.1
1	13.5k	32	19.5
1.5	1	33	20.0
2	1.5	33.5	20.4
2.5	2	34	20.8
3	2.5	35	21.2
3.5	3	35.5	21.6
4	3.5	36	22.1
4.5	4	36 2/3	22.5
5	4.5	37 1/3	22.9
5.5	5	38	23.3
6	5.5	38 2/3	23.8
6.5	6	39 1/3	24.2
7	6.5	40	24.6
7.5	7	40 2/3	25.0

Free U.S. shipping · Authenticity guaranteed

14-day returns & equal-value exchanges — policy

Size, price & UPC details

Size	Price	UPC	Delivery
11K	—	198321070762	Out of stock
12K	—	198321070694	Out of stock
13K	—	198321070786	Out of stock
1Y	$104.90	198321074418	5-7 business days
1.5Y	$104.90	198321070793	5-7 business days
2Y	$104.90	198321074425	5-7 business days
2.5Y	—	198321074463	Out of stock
3Y	—	198321070700	Out of stock
3.5Y	—	198321074401	Out of stock
4Y	—	198321070724	Out of stock
4.5Y	—	198321070717	Out of stock
5Y	—	198321074456	Out of stock
5.5Y	—	198321074432	Out of stock
6Y	—	198321070731	Out of stock

About the adidas F50 League Laceless FG/MG Lamine Yamal Football's Heartbreaker Pack (Kids)

The adidas F50 League Laceless FG MG Lamine Yamal Footballs Heartbreaker Pack Kids delivers a youth focused take on a speed driven football boot tied to one of the game’s rising talents. The cloud white base creates a clean and sharp look, while core black and lucid red accents add contrast that reflects the Heartbreaker theme. The laceless construction keeps the design streamlined, emphasizing quick movement and ease of use. Fans of Lamine Yamal appreciate how signature inspired releases bring player identity into accessible formats for younger athletes. The combination of color and lightweight build makes it both visually striking and performance ready. It is a boot that reflects speed, youth energy, and modern football design. The adidas F50 League Laceless FG MG Lamine Yamal Footballs Heartbreaker Pack Kids was released on March 4, 2026 with a retail price of $85.