Enhance your workout experience with the Ultra Traction strap designed for the Apple Watch Ultra. Made from advanced silicone material, this strap is more than just a fitness accessory. Infused with Biomaster antimicrobial technology, it ensures a hygienic experience by keeping away unwanted microbes even during your most intense workouts. Designed for action, the Ultra Traction strap offers a secure fit and flexibility that perfectly complements your every move. Its sweat and water-resistant properties let you push your limits worry-free. Ultra Traction Strap - where comfort, durability, and hygiene meet for an unparalleled exercise journey. Compatible with Apple Watch 45mm, 49mm, 42mm, and 44mm.