Found it

[Jmort1754]

Who makes a comfy IWB holster that is tuckable

P365 xmacro

 

[matthewmt]

Tenicor

Sent from my SM-G973U using Tapatalk

 

[TheM1DoesMyTalking]

I'll second Tenicor.

Tuckable IWB/AIWB:

CERTUM3 IWB/AIWB Holster for SIG SAUER

Tenicor CERTUM IWB Holster. Intelligently designed IWB hip carry holster. Optimized concealment. T1 Clips by Discreet Carry Concepts. Kydex IWB ( Inside the waistband ) Adjustable tension. CNC CAD Machined Glock holster Sig Holster S&W holster Polymer80 P80 snap loop PTD loop pull the dot loop

tenicor.com

Tuckable dedicated appendix IWB: https://tenicor.com/collections/vel...-holster-for-sig-sauer?variant=39891403276363

Both holsters are excellent. They also have light compatible models if needed.