Apple 40mm Vitamin C Sport Loop for Watch Wireless Technology__Bluetooth/Wi-Fi It features a nylon weave

It features a nylon weave with reflective thread designed to shimmer when light strikes it

all weather companion that takes the party everywhere

Designed by gamers for gamers

Which makes it reliable

There’s just more of it than ever

Apple 40mm Vitamin C Sport Loop for Watch Wireless Technology__Bluetooth/Wi-Fi It features a nylon weaveSoft, 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.