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New Balance 1906R Primaloft Castlerock Black Metallic Silver Metallic U1906ROF product image

New Balance 1906R Primaloft Castlerock Black Metallic Silver Metallic U1906ROF product image 2

New Balance 1906R Primaloft Castlerock Black Metallic Silver Metallic U1906ROF product image 3

New Balance 1906R Primaloft Castlerock Black Metallic Silver Metallic U1906ROF product image 4

New Balance 1906R Primaloft Castlerock Black Metallic Silver Metallic U1906ROF product image 5

New Balance 1906R Primaloft Castlerock Black Metallic Silver Metallic U1906ROF product image 6

New Balance 1906R Primaloft Castlerock Black Metallic Silver Metallic U1906ROF product image 7

NEW BALANCE

New Balance 1906R Primaloft Castlerock Black Metallic Silver Metallic

£150.99 /

U1906ROF-8

Size: UK 8

UK 8 UK 8.5 UK 9 UK 10 UK 10.5

Product variants

Estimated arrival: 5–7 business days

Quantity

Size: UK 8

UK 8 UK 8.5 UK 9 UK 10 UK 10.5

Size Guide

Find your best fit with our UK shoe size guide. Select a brand below to jump to the most relevant size chart for UK, US, EU and CM sizing.

Important: Size conversions can vary by brand, model, material and release year. This page is a general guide only. For the most accurate fit, compare your usual UK size with the product description and your foot length.

Select Your Brand

Nike Air Jordan New Balance ASICS UGG Saucony Puma Supreme Birkenstock Timberland Crocs Converse AMI Salomon Corteiz Jordan Vans Cactus Jack by Travis Scott Stussy

All Size Charts

Nike / Jordan Adults Adidas Adults Men's Shoes Women's Shoes Grade School Kids Pre School Kids Toddler & Infant Shoes Apparel Sizing - IN Apparel Sizing - CM

Nike / Air Jordan / Jordan Adult Size Chart

Use this chart for Nike, Air Jordan, Jordan and most Nike-based collaboration footwear, including Travis Scott Jordan styles.

US Men's	US Women's	UK	EU	Foot Length (in)	Foot Length (cm)
3.5	5	3	35.5	8 1/2"	21.6 cm
4	5.5	3.5	36	8 11/16"	22 cm
4.5	6	4	36.5	8 13/16"	22.4 cm
5	6.5	4.5	37.5	9"	22.9 cm
5.5	7	5	38	9 3/16"	23.3 cm
6	7.5	5.5	38.5	9 5/16"	23.7 cm
6.5	8	6	39	9 1/2"	24.1 cm
7	8.5	6	40	9 11/16"	24.5 cm
7.5	9	6.5	40.5	9 13/16"	25 cm
8	9.5	7	41	10"	25.4 cm
8.5	10	7.5	42	10 3/16"	25.8 cm
9	10.5	8	42.5	10 5/16"	26.2 cm
9.5	11	8.5	43	10 1/2"	26.7 cm
10	11.5	9	44	10 11/16"	27.1 cm
10.5	12	9.5	44.5	10 13/16"	27.5 cm
11	12.5	10	45	11"	27.9 cm
11.5	13	10.5	45.5	11 3/16"	28.3 cm
12	13.5	11	46	11 5/16"	28.8 cm
12.5	14	11.5	47	11 1/2"	29.2 cm
13	14.5	12	47.5	11 11/16"	29.6 cm
13.5	15	12.5	48	11 13/16"	30 cm
14	15.5	13	48.5	12"	30.5 cm
14.5	16	13.5	49	12 3/16"	30.9 cm
15	16.5	14	49.5	12 5/16"	31.3 cm
15.5	17	14.5	50	12 1/2"	31.7 cm
16	17.5	15	50.5	12 11/16"	32.2 cm
16.5	18	15.5	51	12 13/16"	32.6 cm
17	18.5	16	51.5	13"	33 cm
17.5	19	16.5	52	13 3/16"	33.4 cm
18	19.5	17	52.5	13 5/16"	33.9 cm
18.5	20	17.5	53	13 1/2"	34.3 cm
19	20.5	18	53.5	13 11/16"	34.7 cm
19.5	21	18.5	54	13 13/16"	35.1 cm
20	21.5	19	54.5	14"	35.5 cm
20.5	22	19.5	55	14 3/16"	36 cm
21	22.5	20	55.5	14 5/16"	36.4 cm
21.5	23	20.5	56	14 1/2"	36.8 cm
22	23.5	21	56.5	14 11/16"	37.2 cm

Adidas Adult Size Chart

This chart is included for full size-guide coverage and can be kept even if Adidas is not currently featured in your main brand menu.

US Men's	US Women's	UK	EU	Foot Length (in)	Foot Length (cm)
4	5	3.5	36	8.7"	22.1 cm
4.5	5.5	4	36 2/3	8.9"	22.5 cm
5	6	4.5	37 1/3	9.0"	22.9 cm
5.5	6.5	5	38	9.2"	23.3 cm
6	7	5.5	38 2/3	9.4"	23.8 cm
6.5	7.5	6	39 1/3	9.5"	24.2 cm
7	8	6.5	40	9.7"	24.6 cm
7.5	8.5	7	40 2/3	9.8"	25.0 cm
8	9	7.5	41 1/3	10"	25.5 cm
8.5	9.5	8	41	10.2"	25.9 cm
9	10	8.5	42 2/3	10.4"	26.3 cm
9.5	10.5	9	43 1/3	10.5"	26.7 cm
10	11	9.5	44	10.7"	27.1 cm
10.5	11.5	10	44 2/3	10.9"	27.6 cm
11	12	10.5	45 1/3	11.0"	28.0 cm
11.5	12.5	11	46	11.2"	28.4 cm
12	13	11.5	46 2/3	11.3"	28.8 cm
12.5	13.5	12	47 1/3	11.5"	29.3 cm
13	14	12.5	48	11.7"	29.7 cm
13.5	14.5	13	48 2/3	11.9"	30.1 cm
14	15	13.5	49 1/3	12.0"	30.5 cm
14.5	15.5	14	50	12.2"	31.0 cm
15	-	14.5	50 2/3	12.4"	31.4 cm
16	-	15	51 1/3	12.7"	31.8 cm
17	-	16	52 2/3	13.0"	32.6 cm
18	-	17	53 1/3	13.3"	33.5 cm
19	-	18	53 1/3	13.7"	34.3 cm
20	-	19	55 2/3	14.0"	35.2 cm

New Balance Size Guide

For New Balance styles, use your usual UK size as a starting point and compare it with the general men's or women's shoe chart below. Fit may vary across 530, 550, 9060, 1906R, 2002R and 204L styles.

View general shoe chart

ASICS Size Guide

For ASICS styles such as GEL-NYC, GEL-1130, GEL-KAYANO 14 and GT-2160, compare your UK size with the general men's or women's chart below. Some ASICS lifestyle runners can feel snug depending on foot width.

View general shoe chart

UGG Size Guide

For UGG styles, use the general shoe conversion chart as a guide. Lined styles may feel snug at first and can relax with wear depending on the model.

View general shoe chart

Men's Shoes Size Chart

Use this general conversion chart for brands including New Balance, ASICS, UGG, Saucony, Puma, Birkenstock, Timberland, Crocs, Converse, Salomon and Vans when a product-specific chart is not available.

US Men's	US Women's	UK	EU	Foot Length (in)	Foot Length (cm)
3.5	5	3	35.5	8 1/2	21.6
4	5.5	3.5	36	8 11/16	22
4.5	6	4	36.5	8 13/16	22.4
5	6.5	4.5	37.5	9	22.9
5.5	7	5	38	9 3/16	23.3
6	7.5	5.5	38.5	9 5/16	23.7
6.5	8	6	39	9 1/2	24.1
7	8.5	6	40	9 11/16	24.5
7.5	9	6.5	40.5	9 13/16	25
8	9.5	7	41	10	25.4
8.5	10	7.5	42	10 3/16	25.8
9	10.5	8	42.5	10 5/16	26.2
9.5	11	8.5	43	10 1/2	26.7
10	11.5	9	44	10 11/16	27.1
10.5	12	9.5	44.5	10 13/16	27.5
11	12.5	10	45	11	27.9
11.5	13	10.5	45.5	11 3/16	28.3
12	13.5	11	46	11 5/16	28.8
12.5	14	11.5	47	11 1/2	29.2
13	14.5	12	47.5	11 11/16	29.6
13.5	15	12.5	48	11 13/16	30
14	15.5	13	48.5	12	30.5
14.5	16	13.5	49	12 3/16	30.9
15	16.5	14	49.5	12 5/16	31.3
15.5	17	14.5	50	12 1/2	31.7
16	17.5	15	50.5	12 11/16	32.2
16.5	18	15.5	51	12 13/16	32.6
17	18.5	16	51.5	13	33
17.5	19	16.5	52	13 3/16	33.4
18	19.5	17	52.5	13 5/16	33.9
18.5	20	17.5	53	13 1/2	34.3
19	20.5	18	53.5	13 11/16	34.7
19.5	21	18.5	54	13 13/16	35.1
20	21.5	19	54.5	14	35.5
20.5	22	19.5	55	14 3/16	36
21	22.5	20	55.5	14 5/16	36.4
21.5	23	20.5	56	14 1/2	36.8

Women's Shoes Size Chart

US Women's	US Men's	UK	EU	Foot Length (in)	Foot Length (cm)
3.5	2	1.5	33.5	8 3/16	20.8
4	2.5	1.5	34.5	8 5/16	21.2
4.5	3	2	35	8 1/2	21.6
5	3.5	2.5	35.5	8 11/16	22
5.5	4	3	36	8 13/16	22.4
6	4.5	3.5	36.5	9	22.9
6.5	5	4	37.5	9 3/16	23.3
7	5.5	4.5	38	9 5/16	23.7
7.5	6	5	38.5	9 1/2	24.1
8	6.5	5.5	39	9 11/16	24.5
8.5	7	6	40	9 13/16	25
9	7.5	6.5	40.5	10	25.4
9.5	8	7	41	10 3/16	25.8
10	8.5	7.5	42	10 5/16	26.2
10.5	9	8	42.5	10 1/2	26.7
11	9.5	8.5	43	10 11/16	27.1
11.5	10	9	44	10 13/16	27.5
12	10.5	9.5	44.5	11	27.9
12.5	11	10	45	11 3/16	28.3
13	11.5	10.5	45.5	11 5/16	28.8
13.5	12	11	46	11 1/2	29.2
14	12.5	11.5	47	11 11/16	29.6
14.5	13	12	47.5	11 13/16	30
15	13.5	12.5	48	12	30.5
15.5	14	13	48.5	12 3/16	30.9
16	14.5	13.5	49	12 5/16	31.3
16.5	15	14	50	12 1/2	31.7
17	15.5	14.5	50.5	12 11/16	32.2
17.5	16	15	51	-	-
18	16.5	15.5	51.5	-	-
18.5	17	16	52	-	-
19	17.5	16.5	52.5	-	-
19.5	18	17	53	-	-
20	18.5	17.5	53.5	-	-
20.5	19	18	54	-	-
21	19.5	18.5	54.5	-	-
21.5	20	19	55	-	-
22	20.5	19.5	55.5	-	-
22.5	21	20	56	-	-

Grade School (GS) Kids Shoes

US Kids	UK	EU	Foot Length (in)
1Y	13.5	32	7 15/16
1.5Y	1	33	8 1/16
2Y	1.5	33.5	8 4/16
2.5Y	2	34	8 7/16
3Y	2.5	35	8 9/16
3.5Y	3	35.5	8 12/16
4Y	3.5	36	8 13/16
4.5Y	4	36.5	8 15/16
5Y	4.5	37.5	9 2/16
5.5Y	5	38	9 4/16
6Y	5.5	38.5	9 6/16
6.5Y	6	39	9 9/16
7Y	6	40	9 11/16

Pre School (PS) Kids Shoes

US Kids	UK	EU	Foot Length (in)
8C	7.5	25	5 15/16
9C	8.5	26	6 4/16
10C	9.5	27	6 9/16
10.5C	10	27.5	6 12/16
11C	10.5	28	6 15/16
11.5C	11	28.5	7 1/16
12C	11.5	29.5	7 4/16
12.5C	12	30	7 7/16
13C	12.5	31	7 9/16
13.5C	13	31.5	7 12/16
1Y	13.5	32	7 15/16
1.5Y	1	33	8 1/16
2Y	1.5	33.5	8 4/16
2.5Y	2	34	8 7/16
3Y	2.5	35	8 9/16

Toddler (TD) and Infant Shoes

US Kids	Age (Months)	UK	EU	Foot Length (in)
1C	3	0.5	16	3 9/16
2C	6	1.5	17	3 15/16
3C	9	2.5	18.5	4 4/16
4C	12	3.5	19.5	4 9/16
5C	18	4.5	21	4 15/16
6C	24	5.5	22	5 4/16
7C	36	6.5	23.5	5 9/16
8C	-	7.5	25	5 15/16
9C	-	8.5	26	6 4/16
10C	-	9.5	27	6 9/16

Apparel Sizing - Inches

Use these apparel charts for clothing-focused brands such as Supreme, AMI, Corteiz and Stussy. Measurements are approximate.

Men's Clothes (ft/in)

Measurement	S	M	L	XL	2XL	3XL
Height	5'1"	5'4"	5'7"	5'10"	5'10"	6'5"
Chest	31.5"	34.6"	37.8"	41"	44"	47.2"
Waist	29"	34.6"	31"	41"	44.1"	-
Hip	35.4"	37.4"	39.4"	41.3"	43.3"	-

Women's Clothes (ft/in)

Measurement	2XS	XS	S
Height	4'11"	5'1"	5'3"
Bust	28.3"	31.1"	33.9"
Waist	22.8"	25.2"	27.2"
Hip	32.7"	34.3"	35.8"

Kids Clothes (ft/in)

Measurement	70	80	90	100	110	120	130	140	150	160
Age	6 month	6-9 month	9-12 month	1-2 year	2-3 year	4-5 year	5-6 year	7-9 year	10 year	13 year
Height	25.6"	29.5"	33.5"	3'1"	3'5"	3'9"	4'1"	4'5"	4'9"	155-165

Women's Tops (in)

Size	Numeric Size	Length	Bust	Waist	Hip
XS	0-2	50.75	34.5	26.75	37.75
S	2-4	50.75	35.5	27.5	38.5
M	6-8	50.75	36.25	29	40.25
L	8-10	51.25	37.75	30.75	41.75
XL	10-12	51.25	39.5	32.25	43.25

Women's Bottoms (in)

Size	Numeric Size	Waist	Hips	Inseam
XS	0-2	25.5	35.5	32
S	2-4	27	37	32
M	6-8	29	39	32
L	8-10	31	41	32
XL	10-12	34	44	32

Apparel Sizing - CM

Metric apparel chart for Supreme, AMI, Corteiz, Stussy and other clothing items. Measurements are approximate.

Men's Clothes (cm)

Measurement	S	M	L	XL	2XL	3XL
Height	155-165	160-170	170-178	178-188	188-196	196-203
Chest	80-88	88-96	96-104	104-112	112-120	120-127
Waist	74-76	76-79	79-84	84-91	91-99	99-104
Hip	90-95	95-100	100-105	105-110	110-105	115-120

Women's Clothes (cm)

Measurement	2XS	XS	S
Height	152-157	155-162	160-166
Bust	72-80	79-87	86-94
Waist	58-64	64-71	69-77
Hip	83-89	87-93	91-97

Kids and Baby (cm)

Measurement	70	80	90	100	110	120	130	140	150	160
Age	6 month	6-9 month	9-12 month	1-2 year	2-3 year	4-5 year	5-6 year	7-9 year	10 year	13 year
Height	65-75	75-85	85-95	95-105	105-115	115-125	125-135	135-145	145-155	155-165