What They Have in Common
Both are offset-position mats — hitting panel to one side, stance area to the other. Both come in at 2-inch-plus thickness. Both accommodate real tees. And both are 4×7-ish in practice: the Fiberbuilt Grass Series Studio 7×4 measures 85 in × 49 in and the SIGPRO Softy 4×7 measures 84 in × 48 in. One inch of difference in each direction.
Where They Differ
The hitting surface
This is where the two mats make genuinely different bets. The Fiberbuilt Grass Series Studio 7×4 uses a 1 ft × 4 ft Fiberbuilt Grass hitting panel — UV-inhibitor-coated nylon fibers — backed by a 300,000-shot guarantee. That guarantee is on the panel specifically; the turf and stance sections carry only a 1-year limited warranty, and the rubber base gets 5 years. The hitting panel is 1 foot wide.
The SIGPRO Softy 4×7 takes a different approach: a 28 in × 12 in integrated hitting strip built from Teeline turf over a foam insert with a polyurethane layer and three compression slots underneath. The strip is replaceable when it wears out. So the two answer the wear question differently: Fiberbuilt guarantees the original panel for 300,000 shots, and SIGPRO lets you replace the strip.
Worth flagging: SIGPRO's own pages give the strip height three different ways — 2⅜ in, 2½ in, and 2⅝ in. That's a real inconsistency, and it matters if you're planning around a launch monitor placement.
Thickness and launch monitor space
The SIGPRO Softy 4×7 is 2.5 in thick; the Fiberbuilt Grass Series Studio 7×4 is 2 in. That 0.5-inch gap is the difference in surface height between the two mats.
The Fiberbuilt Grass Series Studio 7×4 includes a 2 ft × 4 ft spacer panel, specifically sized for an optical launch monitor. If your setup uses one, that's not a small thing — it's included in the base price and cuts one variable out of your installation. The SIGPRO Softy 4×7 notes room beside the strip for a launch monitor, but there's no dedicated spacer in the box.
Tees, weight and warranty
Both mats take real tees. The Fiberbuilt Grass Series Studio 7×4 has four tee holes in the panel and ships with a rubber tee and a friction-fit real-tee holder; the adjustable tees the panel was designed for are listed as temporarily discontinued. The SIGPRO Softy 4×7's Teeline turf accepts real tees at adjustable height without fixed holes.
The SIGPRO Softy 4×7 weighs 21 lbs and breaks into two pieces for storage. Fiberbuilt doesn't publish a weight for the Studio 7×4. The SIGPRO Softy 4×7 carries no published warranty; the Fiberbuilt Grass Series Studio 7×4 does, though the coverage splits across components.
Who Should Buy Which
Get the SIGPRO Softy 4×7 if:
- You want a lower list price and a hitting surface you can replace instead of replacing the whole mat
- You hit enough volume that the wear question is real
- You prefer Teeline turf that takes a tee anywhere rather than fixed holes
- Easy two-piece storage matters in your space
Get the Fiberbuilt Grass Series Studio 7×4 if:
- Your simulator setup uses an optical launch monitor and you want the dedicated spacer panel included in the base
- The 300,000-shot guarantee on the Grass panel is the durability metric you trust
- You want a warranty with published terms across the components (keeping in mind that the turf is only 1 year)
- The modular rubber foundation system appeals to how you want to configure the bay
The Bottom Line
The SIGPRO Softy 4×7 costs less at list, covers nearly the same ground, and answers the long-term wear question with a replaceable strip rather than a guarantee. The Fiberbuilt Grass Series Studio 7×4 justifies its higher price specifically if you're running an optical launch monitor setup — the included spacer panel is the clearest concrete reason to spend more. For most setups, the SIGPRO Softy 4×7's combination of price and replaceability is the stronger case.
Get the SIGPRO Softy 4×7.