History: B-17 Gunners wearing bulky sheep-shearling flying clothing to protect against the deadly cold at the altitudes typically flown in Europe - at 25,000 feet, temperatures could drop below -60 degrees Fahrenheit: 1945 [750x590]

https://i.redd.it/wx3xt9859ra61.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/kva0w2/b17_gunners_wearing_bulky_sheepshearling_flying/?utm_source=ifttt