| String Type | Best For | Quick Summary |
| Natural Gut | Maximum power & comfort | Soft, highly elastic, excellent feel, very comfortable; ideal for players with arm/shoulder issues |
| Multifilament | Comfort + power | Synthetic “gut-like” feel, soft and forgiving, good energy return, arm-friendly |
| Synthetic Gut | Balanced all-around | Moderate power, spin, and control; affordable and reliable for recreational players |
| Polyester (Monofilament) | Spin & control | Stiff, low elasticity; excellent for aggressive players who want heavy spin and precision |
| Hybrid | Best of both worlds | Combines polyester mains with softer crosses for a balance of spin, control, comfort, and power |
| String Type | Power | Spin | Control | Comfort | Durability | Tension Maintenance | Price |
| Natural Gut | Very High | Medium | High | Excellent | Medium | Excellent | Very High |
| Multifilament | High | Medium | Medium | Excellent | Low–Medium | Good | High |
| Synthetic Gut | Medium–High | Medium | Medium | Good | Medium | Medium | Low |
| Polyester (Monofilament) | Low | Very High | Very High | Low | Very High | Poor | Medium–Low |
| Hybrid (Poly + Soft String) | Medium | High | High | Medium–High | Medium–High | Medium | Medium–High |
Natural Gut:
Natural gut strings are made from natural fibers, typically derived from cow serosa. They are the original tennis string and are widely considered the gold standard for performance, offering exceptional power, feel, and comfort.
Power: Natural gut strings have very high elasticity, allowing them to stretch and snap back efficiently on contact. This creates a deep pocketing effect and high energy return, resulting in excellent power and easy depth.
Spin: Natural gut has moderate string movement and elasticity, allowing players to generate good spin potential, although not typically as much as polyester strings designed specifically for spin.
Control: Because of their excellent pocketing and responsiveness, natural gut provides outstanding feel and touch, allowing players to control ball placement with precision.
Comfort: Natural gut offers the best shock and vibration absorption of any string type, making it the most comfortable option and an excellent choice for players with arm or shoulder issues.
Tension Maintenance: Natural gut has excellent tension maintenance, holding its tension far longer than most other string materials.
Durability: Natural gut offers moderate durability, but the natural fibers can be more susceptible to wear, moisture, and string breakage compared to synthetic strings.
Price: Natural gut is the most expensive string type, due to its natural material and complex manufacturing process.
Multifilament:
Multifilament strings are made from thousands of tiny synthetic fibers woven together to mimic the performance characteristics of natural gut. They are designed to provide comfort, power, and feel.
Power: Multifilament strings are highly elastic, producing strong energy return and making it easier to generate power and depth.
Spin: Multifilament strings generally produce moderate spin, as their softer construction causes the strings to grip the ball but limits snap-back compared to polyester.
Control: While they provide good feel, the higher elasticity of multifilaments can result in slightly less control compared to stiffer string types.
Comfort: Multifilaments are very comfortable and arm-friendly, offering excellent shock absorption and vibration dampening.
Tension Maintenance: Multifilament strings typically provide good tension maintenance, although not as strong as natural gut.
Durability: Multifilament strings tend to have lower durability, as the thousands of small fibers can fray and break more quickly, especially for players who generate heavy spin.
Price: Multifilament strings are generally in the mid to higher price range, reflecting their complex multi-fiber construction.
Synthetic Gut:
Synthetic gut strings are made from a solid nylon core surrounded by one or more outer wraps. They are designed to provide balanced performance at an affordable price and are one of the most commonly used string types.
Power: Synthetic gut strings offer moderate power, providing a balanced level of energy return suitable for a wide range of players.
Spin: Spin potential is generally moderate, as synthetic gut strings have less snap-back than polyester but still allow players to brush the ball effectively.
Control: Synthetic gut provides balanced control, making it a reliable all-around option for recreational and intermediate players.
Comfort: These strings offer good comfort and shock absorption, making them more arm-friendly than polyester strings.
Tension Maintenance: Synthetic gut strings provide average tension maintenance, gradually losing tension over time with regular play.
Durability: Synthetic gut strings provide moderate durability, making them a reliable and cost-effective option for recreational players.
Price: Synthetic gut is typically the most affordable string option, making it a popular choice for recreational players and frequent restringing.
Monofilament (Polyester):
Commonly known as poly, monofilament strings are solid strings made from a single material, typically polyester-based plastic. They are popular among advanced players who generate high racquet head speed and want maximum spin and control.
Power: Polyester strings have low elasticity, meaning they stretch very little on contact. This produces a lower energy return, resulting in less power compared to softer strings.
Spin: Poly strings have low string-to-string friction, allowing them to slide and then snap back into position when brushing the ball. At higher swing speeds this snap-back effect generates significant spin.
Control: The stiff nature of polyester increases dwell time (the time the ball stays on the strings). This allows the ball to compress more on contact, giving players greater control over launch angle and ball placement.
Comfort: Because polyester strings are stiff and inelastic, they offer limited shock absorption. They are generally not recommended for players with tennis elbow or arm/shoulder injuries.
Tension Maintenance: Polyester strings lose tension relatively quickly, causing the string bed to feel “dead” before the string breaks.
Durability: Polyester strings are highly durable and resistant to breakage, making them a popular choice for players who hit with heavy spin and power.
Price: Typically middle to lower price range due to their single-material construction.
Hybrid:
Hybrid string setups combine two different types of strings in the same racquet, typically using polyester in the main strings and a softer string such as multifilament or natural gut in the cross strings. This allows players to blend the performance characteristics of both strings to better suit their playing style.
Power: Power levels vary depending on the combination used. Hybrids that include natural gut or multifilament provide more power, while polyester-based hybrids typically offer moderate power with added control.
Spin: When polyester is used in the main strings, hybrids can generate high spin potential thanks to the snap-back effect of the poly strings.
Control: Hybrids often provide excellent control, particularly when polyester is used in the mains while a softer string in the crosses adds feel and responsiveness.
Comfort: Hybrid setups are generally more comfortable than full polyester string beds, especially when a softer string is used in the crosses.
Durability: Durability varies depending on the combination used. Hybrids with polyester mains tend to be more durable than full multifilament or synthetic gut setups, while hybrids with natural gut may wear faster.
Tension: Tension maintenance depends on the string combination. Hybrids typically offer better tension stability than full polyester, but less than full natural gut.
Price: Hybrid setups usually fall in the medium to high price range, depending on the strings used.
We carry a wide range of strings for all playing styles.
For full details, gauge options, and pricing, visit our online catalog here.
Contact us via email to reserve your string before dropping off your racquet for restringing.
| Gauge | Thickness (mm) | Key Features | Ideal For |
| 17–18 | Thick | Highly durable, less spin, slightly lower feel | Hard hitters, durability-focused players |
| 18–19 | Medium | Balanced durability, spin, and feel | Most recreational and intermediate players |
| 20–21+ | Thin | Maximum feel and spin, less durable | Spin players, advanced players who generate their own power |
| Tension (lbs) | Effect on Play | Ideal For |
| Low (≤50 lbs) | More power, softer feel, easier on arm | Beginners, players wanting comfort and extra depth |
| Medium (51–57 lbs) | Balanced power, control, and comfort | Most players and general recreational play |
| High (≥58 lbs) | More control and precision, less power, more shock to arm | Advanced players, control/spin-focused styles |
| String Type | Typical Restring Frequency | Why |
| Polyester (Monofilament) | Every 10–20 hours of play | Loses tension quickly and becomes “dead” before breaking |
| Multifilament | Every 3–6 months | Good tension maintenance but gradually frays and softens |
| Natural Gut | Every 6–12 months | Excellent tension maintenance but should be replaced when worn |
| Synthetic Gut | Every 3–6 months | Balanced durability and tension maintenance |
| Hybrid | Every 2–4 months | Depends on which string type breaks or loses tension first |
Loss of control or consistency
Strings feel “dead” or stiff
Reduced spin
Visible fraying or notching
Strings moving excessively out of place

Forge is expanding in a big way for Spring & Summer 2026, with a significant increase in both adult and junior programming. Our updated website is now live, where you can explore all of our new programs and offerings for the upcoming season.
Registration for Summer Camps and Adult & Junior Classes will officially open on March 23rd.
We’re also pleased to share that a dedicated Forge phone line will be available soon, making it even easier to connect with our team.
In addition, our Pro Shop will be reopening this spring. We’ll be offering a curated selection of apparel and providing professional racquet stringing services to help keep your game at its best.
Thank you for your patience and continued support as we grow. We’re excited for what’s ahead and look forward to seeing you on court.
Bruce Stead | Academy Director
Forge Tennis