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Odyssey Ai-ONE Silver Milled THREE T putter

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Description

Odyssey Ai-ONE Silver Milled THREE T putter

Now in a stunning silver finish, the Ai-ONE Silver Milled Three T is a midsize square back mallet putter with a slant neck that produces significant toe hang, making it ideally suited for golfers with a more arcing stroke and greater face rotation through impact. The head is precision-milled from stainless steel and fitted with the AI-designed milled titanium Odyssey Ai-ONE insert, while the new Odyssey SL 90 Stroke Lab steel shaft completes the package with its counterbalance weighting system. The result is a premium putter that combines the craftsmanship of 100% milled construction with the cutting-edge performance of Callaway's Artificial Intelligence engineering — delivering unmatched consistency, feel, and distance control on every putt. Includes a matching headcover.

Midsize Square Back Mallet Head: The Three T head shape features a compact square back mallet profile with a slant (angled) neck, delivering significant toe hang best suited for strokes with more arc and face rotation.
100% Milled Stainless Steel Body: The entire head is precision-milled from stainless steel, providing the beauty, crisp edges, and exacting tolerances that the most discerning golfers appreciate.
AI-Designed Milled Titanium Insert: The Ai-ONE insert is milled from titanium and engineered using Artificial Intelligence to create unique contours on the back surface that maintain consistent ball speed across the entire face.
Multi-Material Construction: The combination of a milled stainless steel body with a milled titanium insert minimizes ball-speed losses on off-center hits and greatly increases the effective sweet spot.
10% Closer to the Hole: In robot testing, Ai-ONE Milled putts finished an average of 10% closer to the hole compared to a typical milled putter, helping golfers hole more putts and leave fewer long.
SL 90 Stroke Lab Steel Shaft: The lightweight Odyssey SL 90 Stroke Lab steel shaft features 20–30 grams of counterbalance weight in the butt end, an evolution of Odyssey's proven Stroke Lab weighting philosophy.
Beautiful Silver & Champagne Finish: The silver blasted finish pairs elegantly with the champagne-toned insert and the navy blue PVD accents, giving this putter a rich, premium, and distinctive appearance.
Pistol Grip: Fitted with the classic Odyssey Pistol grip for a comfortable, familiar feel and consistent hand placement on every stroke.
Available in Three Lengths: Offered in 33", 34", and 35" lengths to suit a wide range of golfer heights and preferences.
Includes Headcover: Each putter ships with a matching headcover to protect the head during transport and storage.

Technology in Detail

Ai-ONE Milled Titanium Insert

At the heart of the Ai-ONE Silver Milled Three T is its remarkable 100% milled titanium insert — and it is anything but ordinary. The unique contours on the back surface of this insert were engineered using Callaway's Artificial Intelligence and supercomputing capabilities, a level of design complexity that is impossible to achieve through conventional engineering methods alone. These precisely calculated contours act to redistribute energy across the face, helping to maintain ball speed even when contact is made away from the geometric center. The practical result is that off-center putts travel closer to the intended distance, leaving the ball nearer to the hole and giving golfers a greater chance of holing out. In robot testing, Ai-ONE Milled putts finished 10% closer to the hole on average compared to those struck with a typical milled putter. The unique champagne-toned finish of the insert pairs beautifully with the silver head, creating a visually striking look that stands out from the crowd.

100% Milled Stainless Steel Body

Every single Ai-ONE Silver Milled putter head — including the Three T — is machined entirely from a solid block of stainless steel. This full-milling process produces extraordinarily tight tolerances, sharp and defined edges, and a premium feel at impact that appeals to the most discerning players in the game. The stainless steel construction provides excellent durability and a satisfying, solid sound at impact. The new silver blasted finish gives the head a clean, contemporary appearance that is both understated and sophisticated, setting it apart from the traditional navy blue PVD of previous Ai-ONE Milled models. The combination of a milled stainless body and a milled titanium insert represents a true multi-material approach, with each material chosen for its specific performance and aesthetic contribution.

Three T Head Shape & Slant Neck

The Three T is a midsize square back mallet head — a versatile shape that provides excellent alignment and a reassuring amount of mass behind the ball at address. The slant (angled) neck hosel creates significant toe hang, measured at 43°, which means the toe of the putter hangs downward when the shaft is balanced horizontally. Toe hang is the key fitting parameter for golfers whose strokes follow a pronounced arc, with the face rotating open and closed through the stroke. By matching the natural rotation of the face to the golfer's stroke, the Three T promotes squarer contact and more consistent starting lines. The midsize mallet format also delivers a higher moment of inertia than a blade, providing greater stability on off-center strikes and helping the head resist twisting.

SL 90 Stroke Lab Steel Shaft

The Odyssey Ai-ONE SL 90 Stroke Lab steel shaft is a purpose-designed putter shaft that builds on Odyssey's proven Stroke Lab weighting philosophy. A lightweight steel construction is paired with 20–30 grams of counterbalance weight positioned in the butt end of the shaft (the exact amount varies depending on the grip used). This counterbalance shifts the balance point of the entire club higher in the hands, which research shows can help stabilize the putting stroke by reducing unwanted wrist rotation and promoting a more consistent, pendulum-like motion. The SL 90 designation refers to the shaft's weight class, making it an evolution of Stroke Lab technology that is designed to appeal to a wider range of golfers, including those who prefer a steel shaft feel over graphite.

Specifications

Specification	Value
Model	Three T
Head Type	Mallet (midsize square back)
Loft	3°
Lie	70°
Offset	1/2 shaft
Toe Hang	43°
Head Weight	360 g
Available Lengths	33", 34", 35"
Hand	RH (Right Hand)
Grip	Pistol
Shaft	Odyssey Ai-ONE SL 90 Stroke Lab Steel
Finish	Silver blasted body / Champagne milled titanium insert

RH = Right Hand (right-handed golfer). Choose your preferred length from the variant selector above.

Shaft

Odyssey Ai-ONE SL 90 Stroke Lab Steel shaft — a lightweight steel shaft with 20–30 grams of counterbalance weight in the butt end (amount varies by grip), representing an evolution of Odyssey's Stroke Lab weighting system designed to promote a smoother, more consistent putting stroke for a wider range of players.

Product variants