ACCEPTS CORRECTIVE OPTICAL LENSES Cressi Sub Focus 2 Window Mask The ultimate in versatility, this classic mask offers the best fit and performance for the greatest variety of facial shapes. Its low-volume, twin-lens design gives divers and snorkelers a proven combination of size, fit and durability. Lightweight and easy-to-clear it has swiveling, quick-adjust buckles and accepts corrective lenses. It is also an excellent value. FEATURES Low internal volume allows for effortless clearing Lightweight, compact and rugged ideal for travel or as a backup mask High-grade silicone skirt provides a leak-free seal Quick-adjust swivel buckles prevent binding Please Allow An Extra Five Shipping Days For Cressi Items As They Are Very Popular Click Here To Order Corrective Lenses