Non-Slip Grip: The cap's non-slip grip ensures it stays in place during vigorous swimming, eliminating the need for constant adjustment. Extra Large Fit: Designed with an expansive head circumference, the cap accommodates a wide range of sizes for a comfortable, non-squeezing fit. Waterproof Material: Crafted from premium silicone, this swim cap ensures complete waterproofing for optimal performance in aquatic activities. Professional Ear Protection: The cap's unique design offers superior ear protection, reducing water intake and enhancing swimming efficiency. Goggles and Cap Set: This product comes as a set with professional swimming goggles, providing a complete solution for swimmers.