Braided Solo Loop Compatible with Apple Watch Band 38mm 40mm 41mm 42mm 44mm 45mm 49mm for Women Men Size Chart 38mm/40mm/41mm XS suitable for 5.2"-5.45" wrist. 38mm/40mm/41mm S suitable for 5.5"-5.9" wrist. 38mm/40mm/41mm M suitable for 6.0"-6.5" wrist. 38mm/40mm/41mm L suitable for 6.7"-7.2" wrist. 42mm/44mm/45mm XS suitable for 5.5"-5.95" wrist. 42mm/44mm/45mm S suitable for 6.1"-6.8" wrist. 42mm/44mm/45mm M suitable for 6.85"-7.3" wrist. 42mm/44mm/45mm L suitable for 7.35"-7.8" wrist. Stretchy Material These braided apple watch sport bands are made from recycled materials, the polyester yarn filaments in each watch band bracelet are interwoven with thin silicone threads using advanced braiding machinery. Soft, breathable, lightweight and washable, snugly fit your wrist comfortably without constriction.