Photo: AKM- GSI1/12Rihanna
Photo: (Clockwise from top left) Courtesy of Net-a-porter.com; Courtesy of Mango.com; Courtesy of Modaoperandi.com2/12Blazer
Mango ruched sleeves blazer, $120, mango.com; Étoile Isabel Marant Janey checked linen blazer, $530, net-a-porter.com; Blazé Milano double-breasted pinstripe blazer, $1,225, modaoperandi.com
Photo: Getty Images3/12Kendall Jenner and Gigi Hadid
Photo: (Clockwise from top left) Courtesy of Farfetch.com; Courtesy of Mytheresa.com; Courtesy of Saint Laurent4/12Bomber
Acne Studios Leia satin bomber jacket, $650, mytheresa.com; Saint Laurent classic bomber jacket in dark navy blue nylon, $2,290, ysl.com, Alpha Industries MA-1 flight jacket, $230, farfetch.com
Photo: Getty Images5/12Candice Swanepoel
Photo: (Clockwise from top left) Courtesy of J.Crew; Courtesy of Unknwn.com; Courtesy of Intermixonline.com6/12Army Jacket
J.Crew fatigue jacket, $158, jcrew.com; Icons Belgium field jacket, $495, barneys.com; Nili Lotan Lori denim jacket, $725, intermixonline.com
Photo: Splash News7/12Gigi Hadid
Photo: (Clockwise from top left) Courtesy of Mytheresa.com; Courtesy of Tommy Hilfiger; Courtesy of Modaoperandi.com8/12Puffer
Tommy Hilfiger silver down puffer jacket, $268, tommy.com; Moncler Brethil down jacket, $915, mytheresa.com; Nina Ricci puffer coat, $2,190, modaoperandi.com
Photo: Getty Images9/12Emily Rajakowski
Photo: (Clockwise from top left) Courtesy of Schott NYC; Courtesy of Modaoperandi.com; Courtesy of Coach10/12Leather Jacket
Schott lightweight fitted cowhide motorcycle jacket, $765, schott.com; Coach leather rub-off racer jacket, $700, coach.com; Haider Ackermann shearling collar leather bomber, $3540, modaoperandi.com
Photo: Getty Images11/12Alexa Chung
Photo: (Clockwise from top left) Courtesy of Lagarconne.com; Courtesy of Lagarconne.com; Courtesy of Farfetch.com12/12Slicker
Rains waterproof jacket, $120, lagarconne.com; Stutterheim Stockholm raincoat, $233, farfetch.com; Ports 1961 oversized slicker jacket, $1,995, lagarconne.com