The addition of 18% raw silk to the cotton of this shirt makes it the softest shirt you'll ever own.  And don't worry, it's still totally matte with no shine to speak of. 

FABRIC AND TRIMS: 

• 82% cotton 18% raw silk woven in Portugal by Somelos
• Light weight
• SEASONALITY: Great for warm weather
• HAND FEEL:  Incredibly soft, smooth, and breathable
• COLOR: Seafoam - a very pale blue with green undertones
• BUTTONS:  Genuine shell buttons in natural