Speedo’s Junior Caliber Swim Mask is designed for smaller narrower faces and uses elastomeric technology that reduces goggle pressure around the eyes, helping to minimize goggle ring marks. Get full coverage and comfort with Speedo’s mask f Regardless of your activity, this skirt shape is sure to provide optimal comfort and security during use. Clear sight technology prevents eye fatigue, offering extended peripheral vision with no lens distortion. Curved lens technology offers maximum visibility. Swim mask has a dual density thermoplastic rubber (TPR) frame which is strong, resilient and improves fit comfortably accommodating a wide range of faces. The polycarbonate lenses come with anti-fog and UV protection. Speed Fit Clips provide easy strap adjustment. The liquid silicone strap is the highest grade and the purest form of silicone. Mask is 100% Latex-free and is available in multiple colors.