The clothes are both feminine and sporty with Lands End inspired cable knit sweaters and wellies paired with floral dresses and patterned blouses.
Look for vintage or vintage inspired floral tea dresses, blouses with feminine details such as embroidery, appliqué, and peter pan collars. Menswear inspired cardigans and sweaters in thick cable knit, stripes, or fair isle patterns.
Sources: 1.] johnlewis.com floral tea dress 2.] Far Fetch 3.] yesstyle.com 4.] mytheresa 5.] Dolce and Gabbana silk blouse mytheresa 6.] J. Crew
Pictures from "The Edge of Love" movie