Ispeed Navigator Pro Goggle Expand your vision PC polycarbonate lenses Oversized, ultra durable Plexisol lens for 4-point expanded, 180-degree visibility. Anti-fragmentation PC lens, impact resistance, latest antifogging diffusion process, long lasting antifogging One-touch, Quick-Fit Buckle for perfect fit with simple adjustments - even while wearing. Adjusting quickly and comfortable to wear. Adjustable glasses with more effectively improve to fit to wear, adjustment by easily pull, goggles can fit perfectly around your eyes, water resistance, no pressure, comfortable to ware in the water; widen hollow design. Silicone lens sealing ring: environmentally friendly, non-toxic, comfortable and the latest encapsulation technology, goggles can fit perfectly around your eyes, comfortable, soft and waterproof.