Originally Posted by
Darth Lefty
(Bike shorts fabric is) a blend (of Elastane and something else). Check your tag
Okay, my bibs say they're made of "80 Nylon/20 Elastane".
Are you saying that the Nylon in your very old shorts disintegrated, leaving just the Elastane? If that's the case, that is also curious, as Nylon is reported to be very durable and heat resistant.