1.Thermal protection: This diving hood is designed to provide excellent thermal insulation, keeping your head warm during cold water activities. The 2mm thickness effectively retains body heat, making it ideal for surfing, diving and snorkeling in winter. 2.Stretchy and comfortable fit: Made of high quality stretchy material, this surf diving cap a snug yet comfortable fit that is suitable for different head sizes. Its flexibility ensures dom of movement while providing a secure seal to minimize water ingress. 3.Versatile water sports application: this professional diving hat is perfect for various water sports, including surfing, diving, snorkelling and paddling. Its versatile design makes it an accessory for recreational and professional water sports enthusiasts. 4.STRONG AND DURABLE Made from tough materials, this diving hood is built to withstand the rigors of water sports while ensuring longevity. It is designed to withstand wear and tear from frequent use and season after season.