Innovative New Arm Cast is Waterproof, Lightweight and Breathable

Casts have long been overdue for an upgrade since their creation in the 1850s, so Chicago-based startup Cast21 developed a futuristic-looking sleeve that's as strong as a fiberglass cast, but with less hassle.
Published: 12:46 PM EST November 20, 2019
Updated: 11:36 AM EST November 20, 2019