Rachel Riley US

Breton Lycra Swimsuit

Name: Breton Lycra Swimsuit
Brand: Rachel Riley US
SKU: ISS29NAACN-6m
Price: 75.0 USD
Availability: InStock

$75

Sweet, timeless, and made for sunny days, the Breton Lycra Swimsuit is a charming warm-weather essential for little ones. Featuring nautical navy and white stripes, this classic one-piece is finished with delicate shoulder bows and a gently flounced frill at the waist for an extra touch of playfulness.

Designed with comfort and practicality in mind, the smooth, stretchy swim fabric allows for easy movement whether splashing at the pool or playing by the sea. Thoughtful details like secure leg openings and easy fastenings make dressing and changing simple, while the clean silhouette keeps the look effortlessly polished.

Perfect for holidays, swim lessons, and special summer moments, this swimsuit blends adorable style with everyday functionality.

Why You’ll Love It

Classic navy and white stripe design
Sweet shoulder bows and frill waist detail
Comfortable, flexible fabric for active little ones
Easy-to-wear one-piece silhouette
Ideal for beach days, poolside play, and holidays

Fabric Content: 90% polyester/10% elastane
Size Range: 6m-24m
Care Instructions: Machine wash with similar colors; do not tumble dry; do not iron.

Most of our clothing runs true to size. However, our designs are generous with fabric. If you are in between two sizes, we recommend sizing down. If you need additional sizing information, please reference the guidelines below and contact us with any questions or concerns via email or by phone at: 212-534-7477. We're available M-F from 9-5, EST.

Babies Sizing

We stock infant clothing in sizes ranging from 1 month to 2 years.

Sometimes garments also come in either one size (O/S) or size 1 & 2.

An infants size 1 is 6m-12m.
An infants size 2 is 18m-2y.
Examples of infant styles that come in size 1 & 2 are sunhats and bonnets.

Any garments that come in one size are size free and will fit a range of children. These sizes are just a guide and you may find you have to go up or down a size depending on the style of the garment.

Boys & Girls Sizing

Boys clothing from 3y - 10y.
Girls clothing from 3y - 10y.
Some of the girls styles also come in a 12y and 14y size.

Most styles are available in 3y, 4y, 6y, 8y, and 10y sizes.
However, for fitted styles such as shirts and blouses we also offer a 5y and 7y size.

Sometimes garments such as sunhats or mittens come in size 1 & 2.

A size 1 is equivalent to 3y-6y.
A size 2 is an 7y-10y.

These sizes are just a guide and you may find you have to go up or down a size depending on the style of the garment.

Ladies Sizing

We stock ladies clothing in sizes 36 - 44.
These are European sizes.
Please see below to find your equivalent size in UK or US sizing:

36 = UK 8 or US 4
38 = UK 10 or US 6
40 = UK 12 or US 8
42 = UK 14 or US 10
44 = UK 16 or US 12

We also stock some styles such as knitwear or nightwear in sizes 1, 2 & 3 instead.

A ladies size 1 is 36-38.
A ladies size 2 is 40-42.
A ladies size 3 is 44.

For a measurement guide for each size, please see below:

Size Chart (in CM)
0 - 2y
	1m	3m	6m	12m	18m	2y
Neck base	21.25	22	22.5	24	24.5	25
Across shoulder	17	18.25	19.25	21.5	22.5	23.75
Chest	38.5	43	45.5	49.5	50.75	52.5
Waist	38.75	43	45	48.75	49.75	50.5
CF neck to waist	13.5	14.75	15.75	18	19.25	20.25
CB neck to waist	15	16.25	17.25	20	21.25	22.5
Hip	37	42	44.75	50	51.5	53
Inseam	19.25	21.75	24.25	31.25	34.5	38
Total rise	22	26.25	30.25	35	36.25	37.75
Thigh	21	23.25	25.25	28.75	30	31
CB neck to wrist	27.5	30.5	33.25	38.5	41	43.5
Bicep	12.75	13.75	14.75	16	16.5	17
Height	56	62	68	80.25	86	92
Head	41.5	43	45	49	50	50.5

3 - 14y

	3y	4y	5y	6y	7y
Neck base	25.5	26	26.5	27.5	28.5
Across shoulder	24.25	25.25	25.27	27	27.75
Chest	54.25	56	58	60.5	63
Waist	52.5	54.5	55	56	57
CF neck to waist	21.5	22.25	23.5	24.75	25.75
CB neck to waist	24	24.75	26.25	27.5	28.5
Hip	56	60	62	64	66
Inseam	41	45.5	49.25	52	56
Total rise	40	41.5	43.25	45.5	48
Thigh	31.75	33	34	36	38
CB neck to wrist	45.5	46.75	49.25	51.75	54
Bicep	18.5	18.75	19	19.5	19.75
Height	98	104	110	116	122
Head	51	52	52.5	53	53.5
	GIRL				BOY
	8y	10y	12y	14y	8y	10y
Neck base	29.75	30.75	32.25	33	29.75	31
Across shoulder	28	30	33	34.75	29	30.75
Chest	65	71.5	78	82.5	64	71
Waist	58	61.75	65.5	67.25	59	63.5
CF neck to waist	26	28.75	32.23	36.5	26.75	29.25
CB neck to waist	29.75	32.5	36	40.25	29.75	32.75
Hip	70	77	84	88	68	74.25
Inseam	59.75	65.75	71.5	77.5	59.25	65
Total rise	50.75	57.25	62.25	65.25	51.5	58
Thigh	40	44.5	48.5	50.5	39	43
CB neck to wrist	58.5	64.75	71.25	77.25	59.25	65
Bicep	21	22.75	24.5	25.5	20	21.25
Height	128	140	152	164	128	140
Head	54	55	56	57	54	55.5

Slipper Size Information

We use European sizing for our slippers and shoes.
Please see below to find out what your equivalent size is in UK or US sizing.

UK Size	European size	USA size	Age (approx)
0.5	16	0	2m
1	17	1	3m
1.5	18	2	6m
2	19	3	9m
3	20	4	12m
4	21	5	15m
4.5	22	5.5	18m
5	23	6	21m
6	24	7	2y
7	25	8	3y
7.5	26	8.5	4y
8	27	9	5y
9	28	10	6y
10	29	11	7y
11	30	12	8y
12	31	13	9y
13	32	1	10y
1	33	1.5	11y
1.5	34	2	12y
2	35	3	13y
3	36	4	14y
4	37	5	Teen/Ladies
5	38	6	Teen/Ladies
6	39	7	Teen/Ladies
7	40	8	Teen/Ladies