St. John Womens Blue Solid Button Front Collared Jacket Long Sleeve Sz 6 This St. John women's blue solid button front collared jacket in size 6 is a stylish and versatile piece perfect for casual or business occasions. Made from a wool poly blend, this classic fit jacket features long sleeves and a knit fabric type for added comfort and flexibility. The accent of buttons on the front adds a touch of sophistication to this basic jacket, making it ideal for the fall and spring seasons. Remember to dry clean only to keep this timeless piece looking great.