The Embrace is certified with an IP67 rating. This means that it has the highest rating of dust resistance and can also withstand being submerged in 1m (about 3.3 feet) of water for up to 30 minutes.
In other words, the Embrace can survive sweat, rain, showers, snowball-fights, etc. You can also swim with it so long as it is not in salt water, such as the sea, ocean or salt water swimming pools. Embrace should not be submerged in a hot tub or worn while deep sea diving.
We advise you to clean it regularly for hygiene purposes. Read: How to clean my Embrace.