Soft ground cleats are soccer boots designed specifically for wet, muddy, or waterlogged natural grass fields. They feature fewer, longer studs than standard cleats, and those studs are typically metal and screw into the soleplate rather than being permanently molded. This design lets them dig deep into soft, saturated turf where other cleats would slide and lose grip.
How Soft Ground Cleats Are Built
The defining feature of a soft ground (SG) cleat is its stud configuration. Where a standard firm ground boot has 12 or more short, fixed studs spread across the sole, a soft ground cleat uses just 6 to 8 longer studs. These are usually made of metal, though some use hard plastic, and they’re designed to pierce through mud and wet grass to reach stable ground underneath. The studs screw directly into threaded holes in the soleplate, which means you can remove and replace them with a stud wrench as they wear down or break.
This replaceable design also gives you some ability to customize. You can swap in longer studs for extremely soft conditions or shorter ones when the pitch is damp but not soaked. As long as the replacement studs match the screwthread of your specific boots, they’ll fit. Some players even swap in firm ground studs to effectively convert their soft ground boots for use on drier surfaces.
Hybrid Soleplates
Modern soft ground cleats don’t always follow the traditional all-metal-stud formula. Many newer models use a hybrid soleplate that combines a few metal screw-in studs with shorter, fixed molded studs. This setup keeps the deep-penetrating grip of metal studs in key pressure zones (usually under the ball of the foot and heel) while the molded studs fill in the gaps to improve stability, balance, and comfort. Hybrid soleplates also tend to be lighter than a full metal-stud configuration, which appeals to players who don’t want to sacrifice speed for traction.
When You Actually Need Them
Soft ground cleats exist for a narrow set of conditions. They’re built for natural grass pitches that are genuinely wet, muddy, or heavily saturated from rain. In these conditions, shorter molded studs can’t penetrate deep enough to grip, and players slip during cuts, turns, and acceleration. The longer metal studs on SG boots solve this by anchoring into the soft earth below the surface layer of mud.
If you play in a region with a dry climate or mostly on well-maintained fields, you may never need a pair. Firm ground cleats handle the vast majority of natural grass conditions. Soft ground boots are most useful for players in rainy climates, those who play through winter seasons, or anyone regularly dealing with poorly drained fields. They’re a specialized tool, not an everyday boot.
Where They Shouldn’t Be Worn
Using soft ground cleats on the wrong surface creates real problems. On artificial turf, the long metal studs can’t fully penetrate the shorter synthetic grass fibers. Instead of gripping, they sit on top of the surface and create instability. Research in biomechanics has found that soft ground cleats on artificial turf generate higher rotational forces at the ankle and knee compared to turf-appropriate footwear. That excess traction doesn’t help you turn faster; it loads your joints in ways that increase injury risk, particularly for ligament damage during cutting and pivoting movements.
On firm, dry natural grass the risk is different but still significant. The studs can’t sink in properly, so your foot sits higher off the ground on fewer contact points. This concentrates pressure unevenly across the sole of your foot and can contribute to repetitive impact injuries over time. Studies have identified soft ground cleats as a potentially harmful choice on hard or artificial surfaces specifically because of these pressure distribution issues, with bladed stud shapes creating more concentrated force along the outside edge of the foot than rounded studs.
Anti-Clog Technology
One persistent problem with soft ground cleats is mud buildup. When conditions are truly wet, thick mud packs between the studs and essentially turns the bottom of your boot into a flat, slippery platform, defeating the entire purpose of the design. Manufacturers have responded with anti-clog soleplate treatments. Nike, for example, coats the stud area with a water- and mud-repellent film that prevents mud from sticking. This keeps the studs exposed and functional throughout a match, even on heavily waterlogged fields. Not every soft ground model includes this technology, so it’s worth checking if you regularly play in extreme conditions.
League and Age Restrictions
Metal studs aren’t allowed everywhere. Many youth leagues, recreational leagues, and indoor facilities prohibit metal-tipped cleats for safety reasons. Indoor soccer venues typically ban both molded cleats and metal studs entirely, requiring turf shoes or flat-soled footwear instead. Rules vary by organization and age group, so check your league’s equipment policies before showing up in soft ground boots. At the professional and adult competitive level, metal studs are generally permitted on natural grass, but local referees still have discretion to inspect studs before a match and can bar equipment they consider unsafe.
Caring for Screw-In Studs
Because the studs are removable, they require more maintenance than fixed molded cleats. After each use on muddy fields, clean the soleplate and stud threads thoroughly. Mud and grit left in the threads can make studs difficult to remove later or cause them to loosen during play. Check that each stud is tightened firmly before every match. Carry a stud wrench and a few spare studs in your bag, since losing or stripping a stud mid-game leaves you with a gap in your traction pattern. Metal studs also wear down over time, especially on fields with harder patches, so inspect the tips periodically and replace any that have become noticeably blunt or uneven.