Body font family verdana geneva sans serif font size11px td font family verdana geneva sans serif font size11px fx sport vrx waterproof silicone skin plus swimcap the silicone skin swimming accessory is a flexible silicone case into which the fx sport vrx headphones supplied seperately are inserted to make the headphones fully waterproof for swimming they also come with a stylish black fx sport nylonspandex swim cap which is a little larger than average to accommodate the acces