W4500 – Lady National W4500 – Lady National LADIES’ SOLID 100% COTTON PIQUE 100% cotton ladies shirt. Solid color knit collar and welts with 2 rim pearl buttons. Union Made in USA. Sizes: S-3XL navy W4501, red W4502, black W4505, dark green W4509, white W4511, purple W4512 Companion Style J4500 - National COTTON SOLID SPORT SHIRT