Neoprene tape for holding the glasses in times of extreme sports . With this leash you ensure that the glasses will be attached to your body and not have to worry about losing them. Its design is aimed to never lose your glasses even when you're in the worst possible conditions.
The neoprene provides a greater sense of comfort and is specially designed to be permanently in contact with water, ensuring durability
(these are best used with a pair of glasses that have a strap going from arm to arm