Untuckit is opening another city location, in the Flatiron District at 103 Fifth Ave.

The shirtmaker will take the space vacated by shoe seller Sperry Top-Sider, which has 1,889 square feet on the ground and a 1,500-square-foot basement.

Michael O’Neill and Taylor Reynolds of Cushman & Wakefield represented Untuckit.

Jason Pruger and Harrison Abramowitz of Newmark Knight Frank represented building owner Harlington Realty, which had an asking rent of $600 per square foot.