This is a Tagua Inside Waistband Holster known as the Super Soft, model SOFT-310.
Their Super Soft Inside The Pants Holster is designed to be the most comfortable fit to conceal your firearm. These holsters are made of 100% premium handcrafted soft leather with an open top design for a comfortable and fast draw. With the option between two colors" black and brown" it has double stitching and a strong steel clip to last a lifetime.
Features:
Handcrafted from genuine, high-quality, super soft leather
Reinforced stitching ensuring quality, security, and a lifetime of enjoyment
Open top design for a quick draw
Great comfort
Strong steel clip assures 100% retention