SPEEDO Caliber Mask Elastomeric Get full coverage and comfort with Speedo's mask fit. Regardless of your activity this skirt shape is sure to provide optimal comfort and security during use. Elastomeric technology reduces goggle pressure around the eyes helping to minimize goggle ring marks. ClearSight technology prevents eye fatigue offering extended peripheral vision with no lens distortion. Speed Fit clips for easy-adjustment. Latex Free. Anti-fog and UV protection.