Photo: Splash News1/5Reese Witherspoon

Photo: Courtesy of backcountry.com3/5Parajumpers Long Bear special down jacket, $1,750
backcountry.com
Photo: Courtesy of net-a-porter.com4/5Sacai Luck leather-paneled cable-knit wool coat, $2,210
net-a-porter.com
Photo: Courtesy of Maison Margiela5/5Maison Margiela beige suede maxi coat, $8,245
For information: maisonmargiela.com