Enhance your workout experience with the Ultra Traction strap for Apple Watch Ultra. Crafted from advanced silicone material, this strap is more than just a fitness accessory. Infused with Biomaster antimicrobial technology, it ensures a hygienic experience, keeping unwanted microbes at bay even during the most intense workouts. Designed for action, the Ultra Traction strap provides a secure fit and flexibility to seamlessly accompany your every move. Its sweat and water resistance let you push your limits worry-free. Ultra Traction Strap – where comfort, durability, and hygiene meet for an unmatched exercise journey. Compatible with Apple Watch 45mm, 49mm, 42mm, and 44mm.