I finally got my hands on the 100zz navy blue after months of staring at it online, and honestly, the photos don't do that deep matte finish justice. If you've been hanging around any badminton courts lately, you know exactly which racket I'm talking about. It's that sleek, dark frame with the subtle red and white accents—officially known as the Kurenai colorway, but most of us just call it the navy blue version. It's been out for a bit now, but it still feels like the gold standard for anyone who wants to smash a shuttlecock through a brick wall.
First Impressions and that Matte Finish
When you first pull the 100zz navy blue out of your bag, there's this immediate sense of "okay, this person means business." It doesn't have that flashy, neon look that some of the other Astrox models sport. It's more understated. The matte texture feels premium in your hand, and while looks aren't everything, let's be real—if you're dropping this much money on a high-end Yonex racket, you want it to look cool.
The first thing I noticed when swinging it around (before even hitting a bird) was how thin the shaft is. Yonex calls it the "Hyper Slim Shaft," and they aren't kidding. It's easily one of the thinnest shafts they've ever produced. You might think that would make it feel flimsy, but it's actually the opposite. It feels incredibly solid, almost like a single piece of reinforced carbon.
The Learning Curve is Real
I'll be the first to tell you that the 100zz navy blue isn't exactly "plug and play." If you're coming from a more flexible or even-balanced racket, the first twenty minutes are going to feel a bit weird. This is an extra-stiff, head-heavy beast. If your timing is even slightly off, you're going to feel it in your forearm.
The head shape is also a little different. It's got that "modified" isometric shape, which basically means the sweet spot is concentrated higher up in the frame. This is great for power, but it means the racket is less forgiving. If you hit the shuttle near the frame, the vibrations will let you know you messed up. But man, when you hit that sweet spot? It's a feeling unlike anything else. It's crisp, it's loud, and the shuttle just disappears.
Smashing and Rear Court Power
This is where the 100zz navy blue really earns its reputation. Because it's part of the Astrox line, it uses that Rotational Generator System. In plain English, it means the weight is distributed at the top of the head, the joint, and the end of the handle. It's supposed to help you recover faster after a big hit while still giving you that "weight" behind the smash.
In practice, it works. I found that I could go for a full-power jump smash and not feel like my arm was stuck in the air for five seconds afterward. The racket snaps back into position surprisingly fast for something so head-heavy. If you're a back-court player who lives for the attack, you're going to love this. The power transfer is so direct that you don't feel like you're losing any energy through the shaft. It's just raw, efficient force.
Control and the Short Game
Usually, when a racket is this powerful, it sucks at the net. You'd expect it to feel sluggish or "head-laggy" during quick exchanges. Surprisingly, the 100zz navy blue holds its own in the front court. I think that's down to the slim shaft and the overall aerodynamics. It cuts through the air very quickly.
Net kills felt sharp. I didn't feel like I was fighting the weight of the racket to get the head up. However, defensive lifts and backhand clears take a lot more "finger power" and wrist snap because the shaft doesn't do the work for you. You have to be the one generating the speed. If you have lazy technique, this racket will expose you pretty quickly.
The Durability Factor
I've had a few mid-air collisions (sorry, doubles partners) and a couple of floor scrapes with my 100zz navy blue. So far, it's holding up well. The paint seems a bit more resilient than the older Astrox 88D models, which used to chip if you just looked at them wrong. That said, it's still a high-end performance tool. I wouldn't recommend being reckless with it.
One thing to keep in mind is the stringing tension. Because the frame is so high-tech and stiff, a lot of players like to string it at 28lbs or higher. Just make sure you're going to a stringer who knows what they're doing with an Astrox frame, because the grommet pattern is specific to this model.
Who is this Racket Actually For?
Let's be honest: not everyone needs a 100zz navy blue. If you're a beginner or even a casual intermediate player, this racket might actually make your game worse. It's like trying to drive a Formula 1 car to the grocery store—it's just too much machine for the task. You'll probably end up with a sore shoulder and a lot of frustrated mishits.
But, if you're an advanced player—or a very dedicated intermediate who is willing to put in the work—it's probably one of the most rewarding rackets on the market. It rewards good technique with incredible precision. It's for the player who wants to dictate the pace of the game and has the strength to handle an extra-stiff shaft for three sets.
Choosing the Right Strings
To get the most out of the 100zz navy blue, the string choice matters a ton. I've tried a few different setups, and here's my take: * Yonex BG80: This is the classic pairing. It's a hard-feeling string that complements the stiffness of the racket. If you want maximum "pop" and that metallic sound on smashes, this is it. * Exbolt 65: This is a newer favorite. It's a bit more durable than the BG80 but still offers that quick repulsion. It makes the racket feel a bit faster in the mid-court. * Aerobite: If you want a bit more "bite" for net spins and control, this hybrid setup works surprisingly well, though it might take a bit of the "oomph" out of your smashes.
Final Thoughts on the Legend
It's rare that a piece of equipment lives up to this much hype for this long. The 100zz navy blue isn't just a "pro" racket that's impossible for humans to use; it's a finely tuned tool that just requires a bit of respect. It looks fantastic, it hits like a truck, and it gives you a level of control that's hard to find in other head-heavy rackets.
Is it expensive? Yeah, definitely. Is it demanding? Absolutely. But every time I pull it out of my bag, I know I'm playing with the best tech available. If you've got the budget and the wrist strength, you won't regret picking one up. Just be prepared to spend a few sessions getting used to it before you really start seeing the results on the scoreboard. It's a beast, but once you tame it, it's arguably the best racket in the world.