Gigi stepped out in a grey sweatsuit by British loungewear brand Olivia von Halle. The key accessories that kept this look polished? A no-fuss crossbody bag, and crisp white sneakers.
Faux Leather Mini Crossbody ($26.90), at forever21.com.
Adidas Originals White & Black Superstar Sneakers ($100), at ssense.com.