How to Measure Your Foot
Place your foot flat on the floor against a wall. Measure the distance from the heel to the tip of your longest toe.
Always use the longer foot measurement for best fit.
Heel to Toe Length (in cm) is the most accurate way to choose your shoe size.
Size Conversion Chart
Refer to the table below to convert your foot length into UK, USA, or EUR sizes.
| UK | USA | EUR | CN (cm) |
|---|---|---|---|
| 1 | 2 | 33 | 21 |
| 2 | 3 | 34 | 21.5 |
| 3 | 4 | 35–36 | 22.5 |
| 4 | 5 | 36–37 | 23 |
| 5 | 6 | 38 | 24 |
| 6 | 7 | 39 | 24.5 |
| 7 | 8 | 41 | 25.5 |
| 8 | 9 | 42 | 26 |
| 9 | 10 | 43 | 27 |
| 10 | 11 | 44 | 27.5 |
| 11 | 12 | 45 | 28 |
| 12 | 13 | 46 | 29 |
Fit Recommendation: If your foot measurement falls between two sizes, we recommend choosing the larger size for better comfort during movement.
Sizes may vary slightly depending on foot shape and brand. This guide is for reference only.
Your racket is more than just a frame — stringing defines how it plays. The right tension improves power, control, comfort, and durability.
How String Tension Affects Play
More power • Larger sweet spot • Forgiving hits
Balanced power and control
More control • Precision shots • Smaller sweet spot
Recommended Tension by Player Level
Tension: 17–20 lbs
Power: High • Sweet Spot: Large
Tension: 20–24 lbs
Balanced power and control
Tension: 24–27 lbs
High control • Medium sweet spot
Tension: 27–30+ lbs
Very high precision • Small sweet spot
Key Considerations
- Performance: Proper tension balances power and control.
- Injury Prevention: Too much tension can strain the arm.
- Racket Safety: Never exceed the recommended tension.
- Beginners: Lower tension helps with mishits.
- Plastic Shuttles: Reduce tension by 2–3 lbs.
- String Lifespan: Depends on play frequency.
Final Recommendation
Beginners: Choose lower tension for comfort and power.
Advanced players: Higher tension gives better precision.
If unsure, always choose comfort first.
Yonex Astrox 99 Pro (3rd Gen)
Yonex Astrox 99 Pro (3rd Gen)
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Specifications:
| Material | HM Graphite + CFR + Tungsten + 2G-Namd FLEX FORCE |
| String Tension | 20 – 28 lbs |
| Balance | Head Heavy |
| Weight | 4U (80-84gm) |
| Grip size | G4, G5 |
| Flexibility | Stiff |
|
Colour |
Black / Green |
Overview
The Astrox 99 Pro (3rd Gen) is engineered for elite players who demand maximum power and precision. Featuring a head-heavy balance and advanced material technologies from Yonex — this racket gives you the swing-weight, reach and punch to dominate rallies and finish with authority. Built with premium Japanese craftsmanship and designed for serious attack-style play.
Key Features
- Head-Heavy Balance & Longer Length: Offers superior leverage and extra reach to clear, smash and dominate the back-court.
- Frame & Shaft Material: HM Graphite + Namd™ + VOLUME CUT RESIN + Tungsten in the frame; HM Graphite + Namd™ in shaft frame.
- Built-in T-Joint: Enhances stability and strengthens face control during powerful swings.
- Rotational Generator System & Power-Assist Bumper: Optimised weight distribution for rapid shot recovery and explosive smash power.
- Stiff Flex & Tournament Grade: Designed for advanced/high-level players with strong technique who want full control and maximum repulsion.
Why Choose the Astrox 99 Pro?
If you’re an aggressive singles player or a back-court specialist who consistently hits hard, the Astrox 99 Pro gives you the tools to press the attack. It delivers a raw power feel while maintaining the control needed for elite rallies. Yes, it demands technique and fitness — but if you’re ready, it elevates your game to the next level.
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