Jerzees Women's Four Button Placket Side Vent Polo Shirt 100% Polyester Imported 50% cotton, 50% polyester preshrunk jersey (Oxford 47/53 cotton/poly). Welt-knit collar; Elongated 4-button placket w/bottom box stitch reinforcement. Back neck tape for a clean, comfortable finish; Tagless label. Pearlized buttons w/durable cross stitching. 1x1 rib knit sleeve bands; Double-needle stitched bottom hem.