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Woman in a green dress and leggings walking on a sandy surface with a large rock in the background.

Person wearing a green outfit standing against large rocks.

Woman in a green swimsuit sitting on a rock with sunglasses on, surrounded by large rocks.

Woman wearing a green long-sleeve dress and leggings standing on a rocky surface.

Woman in a green dress standing in front of large rocks with sunglasses on.

Woman in a blue swimsuit sitting on a rock by the beach

Woman in a blue swimsuit standing on rocky terrain

Woman in a blue long-sleeve dress and leggings standing on a sandy surface with a large rock in the background.

Woman in a blue long-sleeve dress standing on a rocky beach.

Woman in a blue dress standing in front of large rocks

Slit Mock Neck Long Sleeve Top and Pants Swim Set

Name: Slit Mock Neck Long Sleeve Top and Pants Swim Set
Brand: East Hills Casuals
SKU: 100100421241245
Price: 56.00 USD
Availability: InStock

Polyester-spandex blend — 90/10

Two-piece set, highly stretchy, side slit

2 colours, sizes S-XL

Regular Price: $56.00

Unit Price: per

Color: Army Green

Size: S

Select Option

Use the charts below to find your size. All measurements are body measurements, not garment measurements — measure yourself and match to the closest size.

Please note: Fit varies by cut, fabric and stretch, even within the same size. Where a product page lists its own measurements or a fit note, always follow those first. If you are between sizes, size up in woven fabrics and size down in heavy stretch.

Women's Clothing

Tops, dresses, jackets and knitwear.

Size	US	UK	EU	Bust (in)	Bust (cm)	Waist (in)	Waist (cm)	Hip (in)	Hip (cm)
XS	0–2	4–6	32–34	31–32	78–83	24–25	60–65	33–35	84–89
S	4–6	8–10	36–38	33–34	83–88	26–27	65–70	35–37	89–94
M	8–10	12–14	40–42	35–37	88–94	28–30	70–76	37–39	94–100
L	12–14	16–18	44–46	37–40	94–101	30–33	76–83	39–43	100–108
XL	16–18	20–22	48–50	40–43	101–109	33–36	83–91	43–46	108–116
2XL	20–22	24–26	52–54	43–46	109–117	36–39	91–99	46–49	116–124
3XL	24–26	28–30	56–58	46–49	117–125	39–42	99–107	49–52	124–132

Denim & Jeans

Denim is sized by waist. Many of the brands we carry — including Judy Blue, RISEN and KanCan — label sizes as a number followed by the waist measurement, for example 7(28).

Denim Size	Waist (in)	Waist (cm)	Hip (in)	Alpha
0 (24)	24	61	34	XS
1 (25)	25	64	35	XS
3 (26)	26	66	36	S
5 (27)	27	69	37	S
7 (28)	28	71	38	M
9 (29)	29	74	39	M
11 (30)	30	76	40	L
13 (31)	31	79	41	L
14W (32)	32	81	43	XL
16W (34)	34	86	45	XL
18W (36)	36	91	47	2XL
20W (38)	38	97	49	2XL
22W (40)	40	102	51	3XL
24W (42)	42	107	53	3XL

Tummy-control denim: Styles with a tummy-control waistband run more generous than standard denim. If you are between sizes in these, size down — the compression panel adds structure and takes up the extra room.

How to Measure

Use a soft tape measure over your underwear, not over clothing. Keep the tape level and snug, but not tight enough to compress.

Bust — measure around the fullest part of your bust, keeping the tape level across your back.
Waist — measure around the narrowest part of your natural waist, usually just above the belly button. Don't hold your breath.
Hip — stand with your feet together and measure around the fullest part of your hips and seat.
Inseam — measure from the top of your inner thigh down to where you want the hem to fall, in the shoes you plan to wear.

Still Between Sizes?

If you land between two sizes, the fabric decides it:

Woven, non-stretch (most shirts, blazers, structured dresses) — size up.
Heavy stretch (leggings, ponte, tummy-control denim) — size down.
Oversized or relaxed styles — take your usual size; the extra room is already built in.

Still not sure? Email info@easthillscasuals.com with the item and your measurements and we'll tell you which size to order. Returns are free and easy for 30 days, so it's fine to order two sizes and send one back.

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Slit Mock Neck Long Sleeve Top and Pants Swim Set

For the parent who wants swimwear that keeps up with splash time, snack runs, and a little lounge-by-the-water drama, this Slit Mock Neck Long Sleeve Top and Pants Swim Set brings a polished, playful feel to your beach day lineup.

The sleek mock neck, long sleeves, and smooth, body-skimming shape create a look that feels sporty and put-together, while the side slit adds just enough movement to keep things fun.

The design has a clean, modern feel with a softly fitted top and matching swim pants that help you feel covered without feeling bulky.

It’s a great pick when you want something that works harder than standard cute swimsuits and gives you a little extra confidence while chasing kids, setting up chairs, or wading into the water. With its stretchy, comfortable feel and no-fuss construction, it’s ready for active days and relaxed resort moments alike.

Two-piece set for easy wear and mix-and-match styling
Mock neck and long sleeves for added coverage
Side slit detail for a flattering, breezy finish
Highly stretchy for comfort that moves with you
No padding, no underwire for a light, easy fit

If you love the look of long sleeve bikini top styles, appreciate the comfort of curvy bathing suits, or want something that feels a bit more refined than typical affordable bathing suits, this set is a smart, stylish choice. It also fits right in with the vibe of resort wear swimwear for sunny getaways and poolside photos.

Ready to make beach days easier and cuter? Add this to your cart now before your size gets scooped up.