Leotards are an essential part of gymnastics that not only boosts the confidence of the gymnasts, but provides them a lot of flexibility to do complex twists and flips, both on the mat and in the air.

READING, Pa. — From the outside, it’s not much to look at. A squat, boxy gray building on the outskirts of an industrial town. Behind the unassuming facade, though, is a house of sparkle. It’s where ...