Why (brand) Swing Shirt Dress Netting Top High Low Length Size Large

Gently used, no flaws. Long sleeve button front swing dress with side skirt pockets, collared neck, high low length. Very stretchy. Top and sleeves are a mesh/netting design. 100% polyester Size large. Please see approximate measurements below to determine your fit: 19” across pit to pit 22” across waist 33” front length 40.5” back length