About Wallis (US) The Wallis brand has a strong British heritage with its first store opening in London 1932. At the heart of Wallis is an understanding of real women. Wallis believes in women as individuals not stereotypes, Wallis wants women to look and feel the best they can and this is reflected in their design philosophy. Wallis design clothes that allow real women to look great, and Wallis clothing is available in US size 4-16 with dedicated petite clothing for women 5'3'' and under. Wallis dresses today’s woman with distinctively designed clothes for a modern contemporary look that makes her feel confident and special, whatever the occasion.