46 C.F.R. § 160.176-11 – Performance.

(a) General. Each inflatable lifejacket must be able to pass the tests in § 160.176-13 of this part.
(b) Snag Hazard. The lifejacket must not present a snag hazard when properly worn.
(c) Chamber Attachment. Each inflation chamber on or inside an inflatable lifejacket must not be able to be moved to a position that-
1. (1) Prevents full inflation; or
2. (2) Allows inflation in a location other than in its intended location.
(d) Comfort. The lifejacket must not cause significant discomfort to the wearer during and after inflation.