FP4 case feels bulky and interferes with fingerprint unlock --- suggestions for alternatives?

I have a FP4 with a Fairphone protective case. The case feels somewhat bulky in my hand compared to the caseless phone, and it also makes it fiddly to access the power button to unlock the phone.

Does anyone have suggestions for an alternative case that provides good protection but is less bulky and has better access to the power button?

Please have a look here.

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