The rugged Alpine Loop is made from two textile layers woven together into one continuous piece without stitching, with a titanium G-hook to ensure a secure fit. See Dimension section below for band sizing information.

The ultra-thin, lightweight Trail Loop is made from a nylon weave creating a soft strap with increased elasticity for a comfortable fit. The strap is infinitely adjustable with a convenient pull tab for quick adjustments on the go. This strap is carbon neutral. The Trail Loop contains 30% 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 aeroplanes.

Made with compression-molded perforations for breathability, the Nike Sport Band is durable and strong, yet surprisingly soft. It features colorful flakes that create a randomized pattern, making each band completely unique. The smooth, dense material drapes elegantly across your wrist and feels comfortable next to your skin. An aluminum pin-and-tuck closure gives the pin a fresh matte finish. This band contains at least 30% recycled fluoroelastomer, with each flake containing at least 66% recycled fluoroelastomer.