The special acoustic filters in SwimSafe earplugs ensure that all ambient sounds remain as audible as possible. These unique filters also ensure you can still follow conversations. A small duct in the filters prevents a sense of isolation and the shape of the hearing protection prevents water getting into your ears. - Prevents water from penetrating your ear - Protects against ear infection and surfer’s/swimmer’s ear - Suitable for swimming with ear tubes - Ambient sounds and conversation can still be heard thanks to unique AlpineAcousticFilters™ - Extremely comfortable AlpineThermoShape™ material - Alpine Miniboxx to take your earplugs anywhere and anytime - Floating capacity - Hardly visible in the ear - No silicone - Reusable - Winner Red Dot Award