The best earplugs for open water swimming must hold through sighting strokes, cold water mass starts, and UK temperatures that trigger exostosis year-round. Compare Watersafe+ vs AR KI TECH: 24 dB SNR, from £26.95.
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Which earplugs stay in through an open water mass start, remove fast in T1, and protect against cold water ear damage in training? The complete triathlete’s guide.