Gladis in Indigo by SacrécoeurGladis Shirt by Sacrcoeur. Plain, long sleeved blouse crafted from a blend of viscose and wool in heather blue. Its loose, flowing cut is accentuated by a fine mandarin collar and gathers at the front, back, and cuffs. The slightly puffed sleeves add a light and elegant touch to the silhouette, while the buttoned cuffs add a delicate finish. Sacrcoeur is a French brand founded in 2016 with a mission to create the perfect wardrobe staple, the shirt.