everything is in the title ... it étanche..du cuff is not everything ... I just did my first outing with. In the outgoing of the box I had doubts because the top of the phone is well protected in case of rain it would be a problem (something I thought corrected reading previous reviews) but the problem is worse ... sweat passes through the neoprene (I have sweated it's true, but nothing amazing either) .. result the phone is tempered ...