The Apple Watch Sport Loop band was woven from nylon thread to create a hook-and-loop closure. These bands were available for the 41mm and 45mm Apple Watch models, and were offered in sizes to fit 130–200mm wrists (41mm) and 145–220mm wrists (45mm). This band is the much rarer XL size, offered only in the 45 mm size to fit 170–245mm wrists.
This Midnight band used a multi-stripe design. The primary color of the background was dark gray, and 8 thin rows of contrasting colors accented the background, including two rows of gray-green, 2 rows of rust, 2 rows of dark brown, and 2 more rows of light gray. The two edges were different colors—one side was gray-green, and the other side was light gray. The connector and closure plastics were dark gray.
Apple described the Apple Watch Sport Loop band:
“Soft, breathable, and lightweight, the Sport Loop features a hook-and-loop fastener for quick and easy adjustment. The double-layer nylon weave has dense loops on the skin side that provide soft cushioning while allowing moisture to escape. On the reverse side, the attachment loops are securely anchored for superior durability.”
Sources: Apple, Bandbreite app