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. This weave is made with 82% recycled yarns, some of which contain material from discarded fishing nets. This band is carbon neutral. The Sport Loop contains 45% recycled content by weight, 100% of manufacturing electricity is covered by clean energy, and 50% or more of all carbon neutral Apple Watch products are shipped without airplanes. Band fits 130–200mm wrists Compatible with Apple Watch Models 38mm, 40mm, 41mm and 42mm.

• Soft and Breathable Material: The Sport Loop is made from a soft, lightweight double-layer nylon weave. The dense loops on the skin side provide cushioning and allow moisture to escape, making it comfortable for all-day wear and workouts.
• Specialized Trail Loop Band: The included Trail Loop band is specifically engineered for comfort and flexibility during long runs or hikes. Its two-layer construction is thin, lightweight, and easily adjustable, even while on the move
• Vibrant and Visible Display: The watch boasts Apple's brightest-ever display, a key feature for outdoor use, ensuring excellent readability in direct sunlight.
• Advanced GPS for Adventurers: It offers precision dual-frequency GPS, providing highly accurate location data for mapping routes and tracking performance in remote areas
• Distinctive Blue/Black Colorway: The watch comes with a stylish Blue/Black Trail Loop, which provides a striking and sporty aesthetic to the durable titanium body.