| 摘要 |
A personal flotation device for being worn by a user includes a buoyant back body portion, a buoyant front body portion opposite the back portion, first and second straps coupled to the back body portion and converging into a third strap, and a fastener coupled to the front body portion. The fastener is configured to engage the third strap at various points to vary spacing between the front body portion and the back body portion.
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