Project Runway
Sink or Swim
Season 15, Episode 4 · Aired 2016-10-06

Synopsis
In the Heidi Klum Swimwear challenge, the designers create their own fabric to use in designing a stylish swimsuit.
In the series
This episode is part of Project Runway (2004–present) on Bravo/Lifetime.
One day you're in, the next you're out — fashion as elimination sport.
Key cast
- Heidi Klum as Host/Judge
- Tim Gunn as Mentor
- Nina Garcia as Judge
- Michael Kors as Judge