Experience infinite vision and conquer open waters with the Defy.Ultra. Our new swim mask features an all-new DuoCurve lens, offering panoramic vision both laterally and vertically, ultra-thin silicone Precision Fit technology skirt for a comfortable, leak-free seal and a groundbreaking ultra-light frameless design thanks to our Cool Inject Technology for reduced drag in the water. Prepare to lock in your new personal best time with a low-profile hydrodynamic design and the Quick Fit Buckle 2.0 on the strap.