This 10 Crosby Derek Lam blue front knot sweater is  a very sheer material and it has an elegant front drape detail. This top can be worn casually, but with a little twist. Literally. 

• Silk 10%, Cashmere 10%, Tencel 80%
• Twist detail in front
• Long Sleeves
• Dry Clean
• Colour: Navy
• Also available in Grey