Are you tired of uncomfortable goggles that don't stay in place during your swim Look no further than the new Nike Expanse Swim Mask Goggle. Made with ultra-soft liquid silicone, this swim mask provides optimal comfort during your swim. The flex points allow natural face movement while keeping a watertight seal, and the wide, stretchy head strap ensures a smooth, comfortable fit. The dual-density construction makes these goggles both flexible and durable, ensuring they will last through many swims to come. Get your pair today! ultra-soft liquid silicone watertight seal stretchy head strap dual-density construction