65% polyester, 35% cotton piqu?. Wrinkle-resistant. Special poly/cotton blend creates soft silky hand and helps reduce shrinkage. Flat-knit collar and cuffs. Hemmed bottom with side vents. Sideseamed. Three-button placket. Set-in sleeves. Softly shaped for more flattering feminine fit. Please note: due to form fitting style, sizing may run smaller than standard size scale. Embroidered with the IC Bus logo.