Idol Necklines: Open Collar, High Collar or Off-Shoulder?

Start with the shape around the neck: an open shirt collar, an off-shoulder edge or a collar that sits higher. You can borrow that visible detail from an idol outfit without identifying every label or recreating the whole look. The three 2026 photographs below offer different starting points, not rules about which body should wear which style.

Rei of IVE at a Valentino event, 20 March 2026. The raised collar is the visible detail discussed here; the photo does not establish the blouse’s product model. Photo: K-POPIT 케이팝잇 / Wikimedia Commons, CC BY 4.0. Displayed uncropped at reduced size; no additional edits.

A high collar: keep the detail close to the face

In Rei’s photograph, the white blouse has a raised, decorative edge around the neck. The collar and pearl earrings sit close together, so that small part of the outfit contains plenty to look at.

To try the idea with your own wardrobe, choose a top whose collar is the detail you want to show. Compare it once without a necklace before adding more accessories. That is an editing exercise, not a rule that high collars cannot be worn with jewelry. A plain stand-collar shirt can give you a different, simpler version of the same starting point.

Do not turn a close-up into a shopping specification. The photograph shows the shape and styling; it does not confirm the product model, fabric feel or how the collar will sit when you move.

An off-shoulder edge: compare the same artist in a different shape

Rei of IVE at a rom'u photo call, 29 September 2026. The off-shoulder edge offers a different outline from her raised collar in the March photograph. Photo: K-POPIT 케이팝잇 / Wikimedia Commons, CC BY 4.0. Displayed uncropped at reduced size; no additional edits.

Rei’s September photograph offers a particularly useful comparison with her March look: the person is the same, while the top’s upper edge sits below the shoulders instead of rising around the neck. You can focus on the garment’s outline rather than deciding that you need to resemble a different person.

If you already own a wide-neck or off-shoulder top, check where its edge sits with the outer layer and bag you actually plan to wear. If you prefer more coverage, a broader neckline that stays on the shoulders is another way to explore a more horizontal line. It will not reproduce the photograph exactly, and it does not need to.

Keep this a choice about a garment designed to sit that way. Pulling an ordinary fitted T-shirt off a shoulder is not the same construction. Compare clothes that fit your own movement and coverage preferences before buying a substitute.

Our guide to real airport looks offers more ways to separate one useful outfit detail from a full product list.

An open shirt: choose the opening deliberately

Bang Chan at a Fendi event in Seoul, 15 July 2026. The open collar creates the neckline shown here; fabric and comfort cannot be verified from this image. Photo: K-POPIT 케이팝잇 / Wikimedia Commons, CC BY 4.0. Displayed uncropped at reduced size; no additional edits.

Bang Chan’s pale shirt leaves the collar open, creating a different outline from the closed, raised collar in the first photograph. The useful feature is the opening itself. You do not need to infer the shirt’s material or price to recognize it.

With your own button-front shirt, compare the fastening position that feels appropriate for the place you are going. If you prefer more coverage, add a simple top underneath and check how its neckline meets the open collar. Keep the part you like; there is no need to copy the amount of exposed skin in a publicity image.

A quick test before buying another top

1. Name the feature. Is it the open shirt, the horizontal off-shoulder edge or the raised decorative collar?
2. Change one thing. Keep the lower half of your outfit the same while trying a different neckline or outer layer.
3. Check real use. Sit down, move your arms and put on the bag or coat you will actually carry. A photograph cannot answer those fit questions for you.

If you shop for a substitute, use the item’s measurements rather than the idol’s apparent size. Our Korean free-size clothing guide explains what to check on a size chart. Complete the outfit with shoes that fit your own measurements; Korean shoe-size conversion is a separate check, not something a styling photo can settle.

You have a useful result when you can say what you borrowed in one sentence: “I liked the high collar,” or “I liked the horizontal edge of the top.” That leaves room for the rest of the outfit to be yours.

Sources and update note

• K-POPIT: Rei and Liz at the Valentino event — source footage for the dated Rei photograph.
• K-POPIT: Rei photo call in September — source linked by the dated off-shoulder photograph’s file record.
• K-POPIT: Bang Chan Fendi photo call — source footage for the dated Bang Chan photograph.

Photograph dates, credits and reuse licenses checked 19 October 2026 (KST). Clothing descriptions are visual observations; the suggested wardrobe comparisons are editorial advice, not product tests or claims of idol endorsement. This independent guide was prepared with AI assistance and source checks by Kpop From Seoul. For corrections, contact us.