Adidas Metalbone Carbon CTRL 3.4 2025

Technologies

Pros

• ✓The 6K carbon face over Soft Performance EVA gives unusually generous ball exit for a diamond shape: the flat smash flies deep without demanding perfect arm timing on every swing Octagonal Structure cuts down torsion on off-centre hits, and you feel it most on the cross-court vibora, where the head holds its angle instead of twisting open The Extra Power Grip lengthens the handle and boosts inertia: the more swing path you generate smashing off the 3, the more mass arrives at contact, a clear step up from a standard grip length The rough surface with Spin Blade Decal really bites on the kick serve and the cut bandeja; topspin grips the ball without needing to swing all-out The Low Poly design stiffens both core and frame, keeping block volleys crisp against fast incoming balls instead of soaking up the shot

Cons

• ✗At 360-375g with a high balance and diamond shape, this racket punishes you on long defensive exchanges: arrive late to a deep lob and the head-heavy balance leaves your return short The sweet spot is narrow and sits high on the face; anything struck low comes out dead and with noticeable vibration This isn't a racket for three-hour matches without solid conditioning: the extended handle adds inertia, but it also tires the forearm through repeated blocks There's a sister model in the same 3.4 2025 range with a round shape and low balance; anyone chasing maneuverability has picked the wrong version if they buy this one instead

Adidas Metalbone Carbon CTRL 3.4 2025 Review: The Diamond Racket Built for Smash Power

The Adidas Metalbone Carbon CTRL 3.4 2025 is a high-balance diamond-shaped racket weighing 360-375g, built with a 6K carbon face and Soft Performance EVA core. On top of that base, Adidas has bolted on two 2025 innovations: the extended Extra Power Grip handle and a polyhedral Low Poly design running through the core and frame.

This is the power variant of the 3.4 range, and that's worth clarifying before you read any further, because the same name also covers a round-shaped, low/medium-balance version built for control. Same family, opposite personality on court.

Who Should Actually Play With the Metalbone Carbon CTRL 3.4?

Advanced players with an aggressive style, solid technique and the physical conditioning to carry the weight through a full match. The mix of diamond shape, high balance and a soft rubber core chases explosive power without sacrificing ball exit, but it shows no mercy for late preparation or off-centre contact.

If your game leans on defending, chipping balls off the back wall and waiting for the opponent's mistake, this padel racket will work against you for large stretches of the match.

6K Carbon Over Soft Performance EVA: An Unusual Pairing That Works

What makes this model interesting is the material pairing. 6K carbon is a fast-response weave, and the expected move would be to pair it with a hard core to maximise crisp ball exit. Adidas does the opposite, dropping in Soft Performance EVA instead.

The result is a diamond racket with more forgiveness than its spec sheet suggests. The core absorbs part of the impact at the centre of the face, so the flat smash doesn't require pinpoint timing to land deep. The trade-off is that touch shots feel slightly muted, with the ball staying on the face a beat longer than players used to a hard EVA core will expect.

The Low Poly design offsets that softness. By applying polyhedral geometry to the core and frame, it raises overall stiffness and stops the racket going flat on block volleys against fast incoming balls.

Octagonal Structure and Extra Power Grip: The Two Pieces That Change Your Swing

Octagonal Structure is a tubular carbon frame designed to cut down torsion on impact. On court, that shows up as extra precision on off-centre hits: the cross-court vibora holds its line because the head doesn't twist open at contact, and that's where the difference from a conventional frame is most obvious.

The Extra Power Grip is an extended handle built to increase swing inertia. The more arm path you generate, the more mass arrives at contact. It's a technology aimed squarely at the hitter who loads up the smash off the 3 from the back of the court and accelerates through the whole swing.

The Spin Blade Decal rounds out the package with a textured surface built for spin control. Combined with the rough finish, the racket bites hard on the kick serve and holds the cut on the bandeja without needing to swing at full throttle.

Shot-by-Shot: How It Plays on Court

1. **Flat smash and smash off the 3**: this is where the racket shines. High balance plus a longer handle generate head speed that drives through the court, and the soft core keeps the shot accurate even when your timing is slightly off.
2. **Vibora and kick serve**: the rough, 3D-textured surface genuinely grips the ball. Spin comes off the strings without forcing the wrist.
3. **Bandeja**: solid, with good cut, though the head-heavy balance means you need to raise the elbow earlier than usual.
4. **Block volley**: crisp and fast-responding thanks to the Low Poly stiffness, but the narrow sweet spot punishes anything struck low on the face.
5. **Defence and wall exits**: the weak link. A deep lob demands early preparation; arrive late and the head-heavy balance leaves your return short.

Player Profile and Ideal Doubles Partner

This Adidas racket suits a backhand-side player who closes points with the smash and feels comfortable at the net. Advanced level and up, no exceptions — below that, the high balance causes more errors than it solves.

As a doubles pairing, it works well alongside a forehand-side partner running a maneuverable, defensive-minded racket, someone who can sustain the rally while you hunt for the high ball.

Verdict: Power With a Safety Net, But Not an Easy Racket

The Adidas Metalbone Carbon CTRL 3.4 2025 gets it right by dropping a soft core into an aggressive chassis: it delivers explosive power without the harshness typical of a stiff diamond racket. Octagonal Structure and Low Poly supply the stability that a soft core could otherwise compromise.

The limitations are clear: a narrow sweet spot, demanding defensive play, and a weight that calls for a trained arm. Players chasing maneuverability within the same range should look at the round, low-balance variant instead — a different racket built for a different job. What you're buying here is head speed and surface grip, and both come at a cost on the balls that arrive late.