PERFECT FIT: A hook-and-loop fastener is quick and easy to adjust according your wrist size. It's so secure and durable to anchore by the attachment loops that not worry about falling off. loop band fits wrist size from 5.12-7.48 inch. 38mm loop band fits wrist size from 5.7-8.66 inch.Soft, breathable, and lightweight: Made of high quality nylon material. The double-layer nylon weave has dense loops on the skin side that provide soft cushioning while allowing moisture to escape.Easy Adjustment: The Sport Loop band features a hook-and-loop fastener for quick and easy adjustment. loop band fits wrist size from 5.12-7.48 inch. 38mm loop band fits wrist size from 5.7-8.67 inch.Quality Assurance: All the nylon loop are doing a strict quality testing, ensure that no harm and provide soft cushioning on the skin. You feel comfortable no matter how long with it.Compatible with All Apple Watch 38mm / Models: Suitable for Apple Watch Series 3, Apple Watch Series 2, Apple Watch Series 2, Apple Watch Nike+, Apple Edition, Apple Watch Hermes.