Forgiveness matters more than realism
A hard mat lets the club bounce into the ball, which hides fat shots and rewards a strike that would have been a chunk on grass. Worse, it sends the shock straight into your joints. The SIGPRO Softy range and Carl's Place HotShot mats are built around this — enough give to let the club take a divot-like path, enough density to feel like turf.
If you practice daily, forgiveness is the specification that matters. Everything else is secondary.
Full mat or hitting strip
Full mats give you a stance surface and a hitting area in one, and stay put. Better for a permanent installation.
Hitting strips are the wear surface only, sitting in a base or frame. Cheaper to replace when the strike zone wears out — and it will wear out, usually in a fist-sized patch.
Replaceable inserts
The smartest buy on a mat you'll use daily. Carl's Place HotShot and the SIGPRO Softy line take replacement strips, so when the strike zone flattens you swap in fresh turf instead of buying a whole new mat. Over three years that's a meaningful saving.
Size and handedness
Measure your stance, not just the mat. A 4' x 5' mat is fine for a right-hander with a fixed setup. If two people share the bay, or you switch between right and left-handed play, go wider — 4' x 10' or a double-sided mat saves you dragging it around between shots.
Commercial use
Range and academy volume destroys residential mats fast. The Commercial Teeline and Spornia Academy mats are built for that duty cycle.