The MUST is Picasso’s medium-to-low volume mask specifically engineered for improved peripheral and downward vision while hunting and exploring. The ideal model for any apnea diver hunting up to 30 meters. With a newly designed buckle system and a 100% soft silicone skirt, this mask is a great all around freediving mask for medium and larger faces that want to see more under water. Black hypoallergenic silicone, very soft, which provides extreme comfort. Multiple Color Styles Available.