Apple's Sport Loop is made from woven nylon with a hook and loop fastener. 1 facet is really a velcro-like product that adheres the Sport Loop tightly to your wrist. It will not use holes like the Sport Band, so you can get an much more customized fit Team Reply https://elbow-brace68899.blogrelation.com/32699154/what-does-watch-band-spring-mean