Solinco · Polyester

Solinco Confidential

Pentagonal-shaped co-polyester monofilament

Log this string Compare Data verified January 2025
Price per set$11–13USD, typical retail
Gauges16, 16L, 17, 18Gun-metal Gray
Stiffnessmedium high200 lbs/in (lab)
Junior minimum age14+advanced, elite

Performance ratings

Power 7
Spin 9
Control 9
Comfort 5
Durability 8
Tension hold 9

Lab test data

Stiffness
200 lbs/in

Overview

Solinco Confidential officially launched in 2020 after being available privately for around three years to select touring pros. The pentagonal shape provides excellent spin - comparable to Tour Bite or ALU Power Rough. What sets Confidential apart is its exceptional tension maintenance, even at lower tensions. Stiffness sits between Tour Bite (stiffer) and Hyper-G (softer). The first hour can feel stiff and board-like, but after breaking in, the string settles into a very playable feel with outstanding consistency.

Best for

  • Advanced players wanting Solinco spin with better tension maintenance
  • Those between Tour Bite (too stiff) and Hyper-G (too soft)
  • Players who value consistent playability over time
  • Aggressive topspin baseliners

Not ideal for

  • Players with arm issues
  • Beginners or intermediates
  • Those seeking maximum comfort

Pros

  • Excellent tension maintenance - separates it from competition
  • Great spin from pentagonal shape
  • Good control on explosive swings
  • Holds playability longer than most polys
  • Developed for pro-level performance

Cons

  • First 1-2 hours feel stiff and board-like
  • Not for arm-sensitive players
  • Requires break-in period
  • Premium price for Solinco

Stringer notes

Warn players about stiff first hour - string needs break-in. After settling, plays much better. Excellent tension maintenance makes restringing less frequent.

Break-in period

1-2 hours. Critical for this string - don't judge it before break-in.

When to replace

Every 15-20 hours. Holds tension and playability exceptionally well.

Hybrid setup ideas

  • Natural gut mains + Confidential crosses
  • Works reasonably well as full bed after break-in

Used by

Originally developed for touring pros, Available privately for select players before 2020 launch

Specifications

Type
Polyester
Construction
Pentagonal-shaped co-polyester monofilament
Gauges
16, 16L, 17, 18
Colors
Gun-metal Gray
Set price
$11–$13
Reel price
$150–$170
Brand
Solinco (USA)

Sources & reviews

Data verified January 2025. Something wrong? Send a correction.