Topo Athletic
Specter 2 Running Shoe – Women's
$170.00
Free shipping
Free shipping on orders over $60
In-store pickup · Check our 4 Memphis-area stores
30-day returns, even if you've run in them
The Grivet Take
The Specter 2 is Topo's marathon-paced performance trainer, built for runners who want full-length Pebax foam paired with an anatomical wide toe box and aggressive rocker geometry. The 37 mm Pebax stack reads firm with low compliance — protective rather than bouncy — and the aggressive rocker drives the foot forward through each step. Two trade-offs to flag: this is best suited for marathon-pace and uptempo work rather than easy daily mileage; runners wanting versatility at slower paces will find the v2 more aggressive than the v1 it replaced. And the upper mesh is thicker than typical performance shoes and slow to dry in hot conditions. Runners wanting a more versatile tempo daily should consider the Saucony Endorphin Speed 4 or Brooks Hyperion Max 3.
Fit & Feel snapshot
Fit
LengthHow the shoe fits compared with true-to-size expectations.
True to size
Toe box widthHow much side-to-side room the shoe has across the front of the foot.5 of 5
NarrowWide
Toe box volumeHow much vertical room the shoe has above the toes.4 of 5
LowHigh
MidfootHow snug or roomy the shoe feels through the arch and laces.3 of 5
SnugRoomy
Heel holdHow securely the back of the shoe holds the heel.4 of 5
LooseLocked
Ride
CushionHow much material sits underfoot. This is about amount of cushioning, not how soft it feels.4 of 5
MinimalMaximal
SoftnessHow soft or firm the cushioning feels underfoot.2 of 5
FirmPlush
RockerHow much the shoe's shape rolls you forward through the step.5 of 5
FlatAggressive
ResponsivenessHow much pop or energy return the shoe feels like it gives back.3 of 5
DeadBouncy
Support
Support TypeSupport Type describes how much built-in guidance the shoe has. Neutral shoes do not add support structure. Stability shoes use geometry, rails, firmer foam, or frame designs to create a more guided feel. Motion control shoes are the maximum-support category and are rare in modern running.
Neutral
Stability
Motion Control
Neutral shoe with a wider, steadier base
PlatformPlatform describes the width and shape of the shoe's base underfoot. A wider platform can feel steadier even when the shoe is neutral. This is separate from Support Type.
Standard platform
How it fits
Length runs true to size for most runners. The toe box is anatomically wide with full toe splay, Topo's signature geometry on a performance platform. Midfoot and heel hold are secure with a normal-width fit through both. The upper uses recycled mesh that runs thicker than typical performance shoes and dries slower in hot conditions. Women's sizing is offered in B (standard) only; runners needing wider should look at the NB Fresh Foam X Balos or a different model.
How it feels
The full-length Pebax midsole reads firm with low compliance and resilience per reviewer testing — protective rather than bouncy. The aggressive forefoot rocker and toe spring drive the foot forward through transitions, and the large posterior sole flare can cause early initial contact for heel strikers. Energy return is limited; the shoe earns its character through geometry rather than foam bounce. Best at easy pace to marathon pace rather than faster efforts. Flexibility is minimal; the foot rolls on the rocker rather than bending.
Quick specs
- Category
- Long run trainer
- Surface
- Pavement · Treadmill
- Heel stackHow much shoe sits between your foot and the ground.
- 37.0 mm
- Forefoot stack
- 32.0 mm
- DropThe difference between heel height and forefoot height, measured in millimeters.
- 5.0 mm
- Weight (women's 7)
- 7.1 oz · 201 g
- CushionHow much material sits underfoot. This is about amount of cushioning, not how soft it feels.
- 4 / 5
- Support TypeSupport Type describes how much built-in guidance the shoe has. Neutral shoes do not add support structure. Stability shoes use geometry, rails, firmer foam, or frame designs to create a more guided feel. Motion control shoes are the maximum-support category and are rare in modern running.
- Neutral
- PlatformPlatform describes the width and shape of the shoe's base underfoot. A wider platform can feel steadier even when the shoe is neutral. This is separate from Support Type.
- Standard platform
- Midsole
- Pebax (100% full-length, non-supercritical)
- Outsole
- Rubber
- PlateA stiff layer, usually carbon, nylon, or TPU, built into some shoes to add structure, snap, or propulsion.
- No
- WidthsThe width options this shoe is made in. Actual availability depends on current inventory.
- B
Tech, translated
Full-length Pebax in the Specter 2 replaces the v1's Pebax core + EVA frame with a single 100% Pebax midsole. Pebax is the bouncy supercritical-style foam used in modern race shoes, but here it's tuned firmer (not supercritical) for daily-trainer durability rather than race-day softness.
The aggressive forefoot rocker with large posterior sole flare is the v2's signature: the rocker drives transitions through push-off without relying on a plate, while the heel flare changes the heel-strike feel from prior versions.
There is no plate; the rocker, the Pebax foam character, and the flared geometry handle stability and forward propulsion. The anatomical wide toe box keeps Topo's signature fit on a performance platform.
What changed from the previous version
The Specter 2 swaps the v1's Pebax core + EVA frame for a full-length 100% Pebax midsole, adds 2 mm of stack at heel and forefoot to 37/32 mm, sharpens the forefoot rocker geometry with a larger posterior sole flare, and reduces flexibility further. The cushion reads firmer with low compliance and limited bounce; the rocker drives transitions forcefully. v1 fans coming back will find a more committed marathon-pace shoe.
Frequently asked
What changed from the Topo Specter 1 to the Specter 2?
The Specter 2 swaps the v1's Pebax core + EVA frame for a full-length 100% Pebax midsole, adds 2 mm of stack at heel and forefoot to 37/32 mm, sharpens the forefoot rocker geometry with a larger posterior sole flare, and reduces flexibility further. The cushion reads firmer with low compliance and limited bounce; the rocker drives transitions forcefully. v1 fans coming back will find a more committed marathon-pace shoe.
Is the Topo Specter 2 firm or soft underfoot?
The Specter 2 lands very firm rather than soft. The full-length Pebax midsole is tuned non-supercritical for daily-trainer durability, which trades the soft plush feel of race-day Pebax for protective firmness. Reviewer testing notes 'low compliance and resilience' with limited bounce. Runners looking for a softer, bouncier performance trainer should consider the Saucony Endorphin Speed 4 instead.
Is the Topo Specter 2 good for treadmill running?
Yes, especially for marathon-paced and uptempo treadmill sessions. The aggressive forefoot rocker and firm Pebax midsole work well at steady tempo paces; the rocker drives transitions through push-off. Treadmill runners chasing speed work will find the rocker character useful. Runners using the treadmill primarily for easy recovery efforts may find the v2's aggressive geometry too committed for slow paces.
Compare it toSimilar shoes or common alternatives, with the key fit and ride differences called out.
Brooks Hyperion Max 3
Choose the Specter 2 for full-length Pebax foam and an anatomical wide toe box. Choose the Hyperion Max 3 for Brooks's DNA Flash v2 midsole with a more traditional performance fit.
Compare Brooks Hyperion Max 3 →
Saucony Endorphin Speed 4
Choose the Specter 2 for unplated full-Pebax foam with anatomical toe room. Choose the Endorphin Speed 4 for a nylon S-Curve plate, PWRRUN PB foam, and bouncier marathon-pace racing.
Compare Saucony Endorphin Speed 4 →
Adidas Adizero Boston 13
Choose the Specter 2 for an aggressive rocker and an anatomical wider toe box. Choose the Boston 13 for Lightstrike Pro foam and a more conventional Adidas fit profile.
Compare Adidas Adizero Boston 13 →
New Balance FuelCell Rebel v5
Choose the Specter 2 for full-length Pebax foam with aggressive rocker. Choose the Rebel v5 for a softer PEBA-blended FuelCell daily with a more flexible forefoot.
Compare New Balance FuelCell Rebel v5 →
Buyer's guide
Read our running shoes guide
A clear framework for picking running shoes by surface, cushion, drop, stability, and fit.
Read the guide