NIB Apple Watch Sport Band Midnight M/L 44/46mm Band fits 160-210mm wrists. Came with my Apple Watch but I went with the Nike sport band. Back Product Information Made from a custom 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.