The iPhone Xs Max is a not a cheap or tiny smartphone, so if you are picking one, you may want to invest in a case that offers you better grip while protecting your phone against impact. The Under Armour Handle-It Case fits the bill. It lets you hold your phone securely during outdoor activities thanks to its elastic band.
You will be able to use this case with Connect mounts to do more with your phone. The case may be slim but protects your investment against impact. Costs $39.99 at this time.[where to find it]