A specialized jumpsuit used in wingsuit flying, designed with fabric 'wings' between the legs and under the arms to increase surface area and provide lift, enabling the flyer to glide through the air at high speeds.
as you're zipping up your ridiculous nylon suit and checking to make sure everything is there.
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"The speaker describes his 16-year history with skydiving and wingsuit flying, specifically mentioning a 'ridiculous nylon suit' and the mechanics of how the suit takes off and flies during his world record flight."