The Ilaria Cardigan by Essentiel Antwerp is a lightweight, fine-knit layer with a relaxed fit, featuring contrast piping, floral snap buttons, patch pockets, and cropped 3/4 sleeves for a playful yet polished look. The Ilaria Cardigan by Essentiel Antwerp is a lightweight, fine-knit layer with a relaxed fit, featuring contrast piping, floral snap buttons, patch pockets, and cropped 3/4 sleeves for a playful yet polished look. Essentiel Antwerp is an ode to play. Going off-piste since 1999, the powerhouse was founded by duo Esfan Eghtessadi and Inge Onsea as a bold antidote to the minimalist, monochromatic fashion scene. Brand signatures like print, color, and proportion are found across an extensive ready-to-wear and accessories collection.