Stylish, supportive, and. oh-so-comfortable. , these colorblocked sneakers are designed to be worn all day. About Adidas by Stella McCartneyMade to bridge the boundaries of sports and fashion, the iconic British designer Stella McCartney teamed up with activewear-favorite Adidas for a line that showcases the allure of a well-edited workout. Commonly known for her sharply tailored silhouettes that highlight the relationship between femininity and confidence, this collection applies that same design philosophy to statement-making fitness wear.