Sideline Grid Polo - Moisture-Wicking Polyester is designed for reliable performance in team, training, and everyday use. 5-ounce, 100% polyester 3D tech grid fabric. Key features include Dri-Power® Moisture Wicking Technology; Heat sealed label; Self-fabric collar with collar stay that helps maintain collar shape wash after wash; Three button placket; Set-in sleeves; Side vents.