All passengers aboard a vessel that is underway must wear a US Coast Guard-approved PFD.
Boat Length
All vessels including Kayaks and Canoes measuring 20ft or less are expected to follow the laws stipulated on boating and wearing of life jackets in Pennsylvania.
Compulsory PFD Requirements for Pennsylvania
Children 12 years and under should wear a Coast Guard approved life jacket when on board a vessel that is underway.
Exceptions from wearing PFDs in Pennsylvania
No places and situations are exempt from wearing a PFD.
Disclaimer: The information presented here is meant to be a general reference for educational purposes. Please check with your state for the most up to date information and any current changes in the laws. Source: BoatUS