Pom Amsterdam Bayou Top by Katja Sleeveless Singlet Top Adjustable thin straps Button Up Lace Vine trim around the V-Neck. Lined Colour: Bottle Green Fabric: Cupro (Breathes like Cotton and feels like Silk) The Katja Collection is created together with Katha Schuurman, a famous Dutch Actress, Writer and Entrepenuer all at once.