Apple Watch 49mm [Black] Alpine Loop [Medium] - [Black Titanium Finish]The rugged Alpine Loop is made from two textile layers woven together into one continuous piece without stitching. High strength yarns reinforce the top loops, and the corrosion resistant titanium G hook slides easily into the loops for a secure fit. Band Size MediumBand fits 145 to 190 millimetre wrists. CompatibilityDesigned for Apple Watch Ultra. The Titanium Milanese Loop, Trail Loop, Alpine Loop and Ocean Band are designed for Apple Watch Ultra