FIELD OF VISION: 180¡ã field of vision and shatterproof polycarbonate window for added safety.
EASY BREATHING: Full mask for natural breathing through the nose and/or mouth.
Exclusive breath ventilation concept prevents fogging.
Snorkel top can be seen from 4 times further away than a traditional Snorkel.
Size: please find the size chart from the 2nd picture on the left.