Inside the Factory: Season 5, Episode 2

5 - 2: Wax Jackets

Gregg Wallace visits a clothing factory in South Shields that manufactures 650 waxed jackets a day. Cherry Healey investigates the science behind waterproof clothing, discovering how a layer of material can keep rain in while allowing sweat to escape, as well as discovering 150-year-old methods of making umbrellas. Plus, Ruth Goodman visits a Scottish harbour to discover the origins of weatherproof coats.