Through a market survey,[3] they established the length of their shirts to be halfway between the belt and the bottom of the zipper, allowing the front pockets of the pants to be slightly exposed.

Initially running the operation out of the third bedroom in Riccobono's apartment in Hoboken, New Jersey,[3] and shipping out of a local storage unit Untuckit opened its first store in September 2015 in SoHo, Manhattan, New York (on Prince Street).

In 2016, brick-and-mortar stores were opened in Chicago,[4] Los Angeles[5] Austin, Texas, and San Francisco.

Their product line includes button-down shirts, polos, tee shirts, henleys, vests, sweaters, sweatshirts, pants, outerwear, sports coats, shoes, and accessories.

[8] Reviewer Sean Hotchkiss, writing in GQ, referred to the length of the company's shirts as "perfection".