A friend was kind enough to send me a link to this article on Upworthy, about the Nesel Pack,a backpack uniquely designed to benefit kids who have autism.
Many children on the spectrum have sensory issues, and weighted vests are commonly used in autism therapy to provide comfort and counteract the stimulation overload. The Nesel Pack has a vest design with more coverage on the front, and pockets that parents can put weights in. It's really a genius design! Check out the video: