The first run of the shirt — a pleated, raglan-sleeved, french cuffed shirt made of moisture-wicking material — sold through in days. It was the kind of buzz most start-ups dream about.

American violinist Kevin Yu has created a strechable, breathable formal shirt. He told us why he came up with the idea and how musicians have reacted.

Cue the drum roll for the Gershwin tuxedo shirt by Coregami — a new form of orchestra attire that takes the same hi-tech, breathable fabric used by cyclists to make tops fit for the Proms.

Mr. [David] Itkin said that it felt “like something between your running shirt and your jammies” and that it did not need to be dry-cleaned. “... It doesn’t cling to the skin; you don’t feel soaking wet and clammy an hour into a Mahler symphony or an opera.”

The comment that we hear the most is that it is extremely light and breathable because they no longer have to wear an undershirt. The trifecta of formality, comfort, and high performance has never come together – until now.

The brand promises to keep musicians “cool as a cat all night long,” with a soft, stretchy, moisture-wicking fabric that helps to manage body temperature and draws sweat.

[Frank] Huang said that playing the violin could be an "athletic endeavor, ... and that it had been good to test out a [Coregami] shirt that had been designed for flexibility and comfort."

“From the outset, we did not design something that a lot of people like. We designed something that a few people love. Our customers are some of the most elite musicians on Earth, and their needs are specific. We bring comfort and functionality where it has never existed before.”