• EASY CLEARING Unique tube & seal system makes equalizing easier.
• PREVENTS EAR ACHE Eliminates pressure-induced ear pain.
• BETTER HEARING Enhances sense of sound under water.
• WATERTIGHT CUPS Keeps water out and prevents Swimmer's Ear.
• COMFORTABLE FIT Head strap maximizes surface area to eliminate squeezing or pinching.

Easy Equalization The IST Pro Ear Series features four incredible designs,
each offering pressure equalization technology through a tube and seal system
that's unique to IST. Simply exhale into the mask and your ears immediately
clear. The watertight cups not only help with regulating pressure, they also
keep your ears warm and help prevent ear aches and infection. Incredible
Performance The dual-lens design provides a crystal clear view while the
tempered glass material maintains solid durability. Adjustable straps help you
get the perfect fit and a clean seal so there's no leakage. Comfortable Fit
The Pro Ear masks are characterized by wide head straps that distribute
pressure to a larger surface area to eliminate squeezing, pinching or painful
discomfort. Plus, an extra fabric fastener strap extends over the top of the
head for a secure fit.