faster on-device Siri and Precision Finding for iPhone

And when you’re done

and secure authentication for logins and purchases

An innovative pin-and-tuck closure ensures a clean fit

41mm Summit White/Black Nike Sport Loop split faster on-device Siri and PrecisionBreathable and lightweight, the Nike Sport Loop is designed for fitness. The iconic Nike Just Do It logo is woven into the soft nylon using an innovative technique. A hook and loop fastener makes for quick and easy adjustment, and dense loops on the skin side provide soft cushioning while allowing moisture to escape. On the reverse side, the attachment loops are securely anchored for superior durability.