Black swim cap in a free size using high-stretch material, with UPF50+ for excellent UV protection. <Product Name> [Relaxed Fit, Zero Pressure!] S4R Swim Cap <Product Specifications> Circumference: 55-60mm Material: 82% Nylon + 18% Polyurethane Type: 2-Way Stretch Cap <Product Features> [Comfortable, Relaxed Fit] This swim cap is perfect for those who dislike tight-fitting caps. It's a free size (fits head circumferences of 55-66cm) and can be worn comfortably regardless of hair volume or head size. The design minimizes pressure, making it easy to use for swimming beginners. It provides a comfortable experience for daily gym visits and pool sessions. [Neatly Accommodates Long Hair] This swim cap neatly accommodates long hair, making it easy to put on and take off with a stress-free design. It fits naturally without pulling hair, resulting in a smart appearance. This swim cap is designed with women in mind, but it's also a unisex swim cap suitable for adults of all ages. [Headache-Free Fit] This swim cap provides an exquisite fit that doesn't squeeze too tightly, preventing headaches even after long periods of wear. It leaves minimal marks from the elastic, allowing you to concentrate on your training in comfort. It's suitable for both men and women. This is a masterpiece as an adult swim cap. [Easy-On, Easy-Off Design] The stress-free, easy-on, easy-off design is great for beginners, allowing you to quickly put on and securely fit the swim cap. It doesn't pull your hair and comes off easily, reducing pressure even after long use, and the swim cap leaves minimal marks. Furthermore, it achieves an elegant fit for women, and is also great for adults. [Quick-Drying & UV Protection] This swim cap is quick-drying and dries immediately after use. It's perfect for swimming, with UPF50+ UV protection for peace of mind outdoors. It also has excellent durability, and doesn't lose its shape after washing. Recommended for men, women, and adults. - Color: Black - Size: Free Size - Material: High-stretch material - UV Protection: UPF50+ - Features: Quick-drying, Highly durable Thank you for viewing.