Butterfly · OFF
Outerforce ALC
5W+2 ALC · Outer
Specifications
- Playing style
- OFF
- Price
- Not published
- Weight
- 86 g
- Thickness
- 6.2 mm
- Plies
- 7
- Composition
- 5W+2 ALC
- Outer ply
- Ayous
- Core wood
- Kiri
- Carbon type
- ALC
- Fibre placement
- Outer
- Blade size
- 157 × 150 mm
- Handle types
- FL · AN · ST
- Made in
- Not published
- Release year
- Not published
Metadata confidence: Specialist measured
Blade construction
Verified5W+2 ALC · Outer
7 plies · Ayous surface · ALC outer fibre · Kiri core · 6.2 mm total
One blade, drawn as technical linework at real shakehand proportions. The laminated edge along the crown and right rim exposes every ply boundary in the stack. Edge depth is illustrative because physical veneer thickness is not published.
Stack order · outer face to outer face
1 · Outer ply
Ayous
2 · Fibre layer
ALC
3 · Medial ply
Ayous
4 · Core
Kiri
5 · Medial ply
Ayous
6 · Fibre layer
ALC
7 · Outer ply
Ayous
Ayous
Outer ply · Medial ply · layers 1, 3, 5 and 7
Lower weight · Wider sweet spot
ALC
Fibre layer · layers 2 and 6
More stability · Larger sweet spot
Kiri
Core · layer 4
Lower weight · Controlled rebound
Stack order — face A to face B
- 01AyousOuter ply
Very light medial or core wood — keeps the blade low in weight and widens the sweet spot.
- 02ALCFibre layer
Arylate-carbon — stiffens the stack and enlarges the sweet spot while keeping a wooden feel.
- 03AyousMedial ply
Very light medial or core wood — keeps the blade low in weight and widens the sweet spot.
- 04Kiri — coreCore
Paulownia core — extremely light, damping the stack and slowing the blade down for control.
- 05AyousMedial ply
Very light medial or core wood — keeps the blade low in weight and widens the sweet spot.
- 06ALCFibre layer
Arylate-carbon — stiffens the stack and enlarges the sweet spot while keeping a wooden feel.
- 07AyousOuter ply
Very light medial or core wood — keeps the blade low in weight and widens the sweet spot.
Specialist measured · 7 of 7 plies with published material · stack order confirmed
About this blade
Butterfly Outerforce ALC is a 7-ply blade built around ALC fibre placed outer, with Ayous on the playing surface and a Kiri core. Ayous in the outer layer: Very light medial or core wood — keeps the blade low in weight and widens the sweet spot. Kiri in the core: Paulownia core — extremely light, damping the stack and slowing the blade down for control. ALC in the fibre layer: Arylate-carbon — stiffens the stack and enlarges the sweet spot while keeping a wooden feel. Physically it measures 6.2 mm thick, around 86 g. Butterfly positions it for off play.
TTDNA ratings
NormalizedPerformance
Construction
Material properties
Playing profile
A TTDNA blade rating measures how much of the named characteristic a blade has. For descriptive rows — flex, stiffness, vibration, head heaviness, weight, thickness, carbon feel, softness, technique requirement, spin sensitivity — a higher number means more, not better.
TTDNA ratings are normalized comparison values, not laboratory measurements. They are built from published specifications, technical sources and structured product evidence, converted to one 0–100 scale. Where a directly comparable measurement is unavailable, the value is an evidence-based estimate. Overall-style scores are composites of several characteristics. Methodology