When it comes to formal wear, you might as well go all out. This tux shirt ups the ante with removable rivershell buttons so that you can add your own shirt studs. 

FABRIC AND TRIMS: 

• This shirt is made with a combination of two different white fabrics, as is traditional for formal tuxedo shirts. The front, collar, and cuffs feature a textured dobby weave cotton (a subtle diamond weave), while the back and sleeves are made from a smooth, flat-textured cotton poplin. 
• FABRIC ORIGINS: 100% cotton woven in Czech Republic by Mileta
• Both fabrics are medium/light weight
• SEASONALITY: Suitable for year-round use in most climates
• HAND FEEL: Crisp and smooth
• COLOR: White
• BUTTONS:  Genuine shell buttons in natural