Body Glove Aura Mask, Snorkel & Combo Mask Four Window Design Panoramic View Pivot Buckle for Custom Fit Medium Volume Mask Easy Adjust Strap Clip for Easy to Adjust and Lock the Strap Polycarbonate Glass Lenses Double Feathered Edge Skirt Large One-Handed Nose Pocket for Ear Equalization Snorkel: Purge Valve for Easy Clearing of Water from the Snorkel Splash Guard Prevents Water Splashes Entering Into the Tube Pre Bent Flex Section Reduces Jaw Fatigue