IST ProEar Dive Mask with Ear Covers - Scuba Diving Pressure Equalization Gear for Underwater Exploration - Tempered Glass Twin Lens Snorkeling Mask (Black) - Perfect for Deep Diving, Spearfishing & Marine Life Observation

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.

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.