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On the newer life jacket labels, what does a higher performance level number mean?

More flotation and turning, for offshore use.

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  1. More flotation, for offshore use ✔
  2. Lighter and better for calm water
  3. Approved for older kids only

Why: New labels show a performance level measured in newtons. Lower numbers suit calm water near shore, while higher numbers give more flotation and turning for offshore trips where rescue takes longer.

Huh, didn't know that: Federal rules use wearable and throwable PFD categories while still recognizing older Type I through V markings.

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References

Answer: More flotation, for offshore use. New labels show a performance level measured in newtons. Lower numbers suit calm water near shore, while higher numbers give more flotation and turning for offshore trips where rescue takes longer.

  1. USCG A Boater's Guide to the Federal Requirements for Recreational Boats (2023) www.uscgboating.org/assets/1/AssetManager/Boaters-Guide-to-Federal-Requirements-for-Receational-Boats-20231108.pdf
    Higher level number offers greater flotation, turning, and stability in the water, and for offshore activities
    Checked 2026-10-09.
  2. 33 CFR Part 175, Equipment Requirements www.ecfr.gov/current/title-33/chapter-I/subchapter-S/part-175
    A PFD marked as Type I, Type II, Type III, or Type V with Type (I, II or III) performance is considered a wearable PFD.
    Checked 2026-10-09.
  3. 33 CFR Part 175, Equipment Requirements www.ecfr.gov/current/title-33/chapter-I/subchapter-S/part-175
    A PFD marked as Type IV or Type V with Type IV performance is considered a throwable PFD.
    Checked 2026-10-09.

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