Flaming Pajamas: The Snug-Fit RuleWhy modern sleepwear is legally required to be tight
From the show
Rules Written in BloodUnderstanding the yellow tags on children's clothing reveals a deadly regulatory trade-off. In the 1970s, an attempt to stop fabrics from burning led manufacturers to soak pajamas in Tris, a potent carcinogen. The solution to this public health failure created the modern requirement for tight-fitting sleepwear that naturally starves flames of oxygen.
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