45mm Midnight Sport Band - Extra Large Features: Made from a custom-developed high-performance fluoroelastomer, the Sport Band is durable and strong, yet surprisingly soft. The smooth, dense material drapes elegantly across your wrist and feels comfortable next to your skin. An innovative pin-and-tuck closure ensures a clean fit. Specifications: Case Size: 45 mm Band Size: Extra Large - Band fits 160–245mm wrists Material: Fluoroelastomer Compatibility with Apple Watch Models 42mm 44mm 45mm