Hab appointed on the recommendation for snorkeling and freediving these glasses. The small air space in the spectacle it is actually ideal for the dive (tested up to 10m). The field of view is a good size, the snorkel fits perfectly with the glasses. Despite the small interior, a higher pressure in the glasses, which can be easily compensated by blowing some air we breathe through the nose, but arises from a few meters deep.
Set is practical test recommended for all snorkelers.
