Quick Specs Sheet
- Classification: International Release
- Weight (Men’s Size 8 US / EU 42):
- Training Setup (Unplated): ~189g - 195g (6.7 oz)
- Race Setup (Carbon-Plated): ~211g - 215g (7.4 oz)
- Stack Height: 39mm (Heel) / 33mm (Forefoot)
- Heel-to-Toe Drop: 6mm
- Midsole Foam: CQT Extreme
- Propulsion Plate: Modular Carbon-Plated Race Insert System (Includes secondary unplated foam training insert)
- Outsole: 3-Piece RPU High-Traction Rubber
- Upper Material: Single-Layer Engineered TPE Mesh
- Optimal Pace Range: 4:00 - 6:00 min/km
- Optimal Distance: 5K to 21K (Half Marathon)
- Optimal Runner Weight: Under 75kg
Market Context & Design Philosophy Breakthrough
The current running shoe market is saturated with carbon-plated race shoes featuring rigid, glued-in propulsion plates. The 361° Flame Double introduces a uniquely unconventional approach through a modular insert system. Rather than being just another traditional racer, it stands out as a genuine 2-in-1 Super Trainer, allowing runners to completely alter the shoe’s chassis and mechanical behavior based on their daily workout demands.
The design philosophy behind the 361° Flame Double stems from separating flexible daily training needs from the rigid stability required during race day. By embedding the carbon plate directly into a removable full-length footbed insert rather than permanently bonding it inside the midsole core, 361° created an adaptable running platform. For runners who prefer not to buy multiple pairs of dedicated shoes, the Flame Double functions seamlessly as a daily trainer, speed workout shoe, or entry-level carbon racer.
Deep Dive into CQT Extreme Midsole Architecture
The core engineering highlight of the 361° Flame Double is its CQT Extreme midsole formulation. This supercritical foam exhibits high energy return and maintains consistent resilience under mechanical strain. The true differentiator, however, resides in the two distinct footbed inserts that yield variable total weights:
- Training Setup (Unplated Insert): Reduces total shoe weight down to a nimble 189g - 195g in Size 8 US. With this footbed installed, footstrike feels forgiving, flexible, and natural. The CQT Extreme foam compresses without mechanical interference from a stiff plate, lowering swing weight during stride turnover and preserving energy during recovery runs, easy paces, or flexible tempo workouts.
- Racing Setup (Carbon-Plated Insert): Increases weight slightly to 211g - 215g in Size 8 US due to the embedded carbon structure. Switching to this insert transforms the shoe’s structural rigidity. The carbon plate creates a solid backbone underneath the foot, drastically increasing torsional stability and sharpening force transition from heel to toe. The sensation is responsive and direct, providing propulsive support during aggressive accelerations or sustained fast paces.
Positioning the plate directly inside the insert brings the foot into immediate contact with the primary foam interface, optimizing energy transfers and minimizing cushion lag during high-velocity impacts.
On-Road Performance: Pace Dynamics & Structural Stability
Featuring a 39mm heel stack and 33mm forefoot stack, the 361° Flame Double delivers a generous cushioning layer that shields lower-leg joints from road impact. The 6mm drop provides a neutral ramp angle that supports effortless heel-to-toe transitions regardless of footstrike style.
Across the target pace range of 4:00 to 6:00 min/km, the chassis displays impressive directional tracking. At moderate aerobic paces (5:30 - 6:00 min/km), the lightweight unplated setup allows natural foot articulation without premature fatigue. When accelerating into threshold paces (4:00 - 4:30 min/km), inserting the carbon-plated footbed tightens up the ride, generating snappy toe-offs that help sustain momentum.
For runners with average athletic builds (around 1m65, 57kg), the compression profile of CQT Extreme strikes a balanced compromise between soft landing feel and structural resistance, maintaining stability through sharp corners and uneven pavement.
Upper Construction, Fit & Lockdown Reality
The upper utilizes a single-layer engineered TPE mesh, selected for high tensile durability, lightweight characteristics, and superior air permeability. Over extended long runs, heat build-up is minimized, reducing moisture-related blisters.
The rearfoot lockdown system relies on an internal heel counter pad. While initial wear may present a firm grip against the calcaneus, the structure conforms smoothly after a brief break-in period. The forefoot toebox provides ample volume, allowing toe splay during high-load landing phases.
A midfoot ghillie lacing harness secures the foot down onto the footbed. Although the thick lacing material requires deliberate adjustment during tying, it creates a locked-in fit that eliminates heel slippage or lateral foot movement across varying speeds.
Technical Limitations & Extended Mileage Considerations
Despite its modular versatility, the 361° Flame Double presents specific mechanical considerations. First, the thick lace material can feel fiddly to adjust and may create dorsal pressure on the instep if cinched over-tightly.
Second, the heel collar structure feels stiff out of the box, requiring a short break-in phase before achieving optimal comfort. While the toebox is accommodating, the midfoot fit remains snug; runners with exceptionally wide feet should verify sizing carefully.
Regarding outsole longevity, the 3-piece RPU rubber layer demonstrates commendable abrasion resistance. After 80km of pavement testing, primary wear zones exhibit minimal rubber degradation. However, exposed midsole foam along the midfoot channel may pick up cosmetic stone scratches, though structural integrity remains uncompromised.
Target Runner Profile & Anti-Indications
The 361° Flame Double is tailored for runners seeking a single, highly adaptable running platform. For athletes who want to avoid cluttering their closet with multiple specialized pairs, this 2-in-1 Super Trainer effectively handles daily mileage, tempo workouts, interval sessions, and Half Marathon race days.
However, this model is NOT recommended for:
- Runners weighing over 75kg: Heavier impacts may excessively compress the CQT Extreme foam, reducing energy return efficiency and accelerating midsole fatigue.
- Trail running enthusiasts: The low-profile RPU tread pattern is optimized strictly for asphalt and smooth pavement, lacking aggressive lugs for off-road terrain.
- Severe overpronators needing dedicated stability features: The Flame Double is a neutral shoe without medial posting or corrective motion control elements.
Market Position, Pricing & Smart Purchasing Strategy
It is important to note that the 361° Flame Double is not officially distributed through local retail channels in Vietnam. The original global MSRP is relatively high (around $150 USD / 3,800,000 VND), making full-price retail acquisition less attractive.
To secure the best value, runners are advised to source the shoe through reputable third-party Chinese purchasing proxies or specialized import shops. Sourcing during major Chinese e-commerce sale events can lower the price significantly to around $90 - $110 USD (2,200,000 - 2,700,000 VND). At sale pricing, the Flame Double offers an exceptional price-to-performance ratio for a dual-setup modular carbon trainer.
Shoe Rotation Matrix
Within a balanced Shoe Rotation, the 361° Flame Double serves as a multi-role centerpiece. Using the unplated insert configures it for Daily Runs and Recovery sessions, while swapping in the carbon-plated insert converts it instantly for Tempo runs and Race Days. To compare this modular setup against a traditional fixed-plate racer from the same brand, read our detailed 361° Flame 5 Review to evaluate ride stiffness differences.
Final Verdict & Performance Rating
The 361° Flame Double presents an innovative engineering concept in the modular running shoe category. Its interchangeable footbed system offers exceptional versatility, bridging the gap between daily training comfort and race-day propulsion.
- Fit: 8.5/10
- Cushion: 8.5/10
- Stability: 8.0/10
- Ride: 9.0/10
- P/P Ratio: 8.5/10
- OVERALL RATING: 8.5 / 10 ⭐
FAQ
Is the 361° Flame Double suitable for wide feet?
The forefoot toebox offers comfortable volume, but the midfoot section is cut snug to ensure upper lockdown. Wide-footed runners should consider sizing up by half a size for optimal midfoot comfort.
How does the RPU outsole grip on wet road surfaces?
The 3-piece RPU rubber delivers dependable traction on dry and damp asphalt. However, care should be taken when cornering aggressively over painted road lines or oily metal covers.
What is the expected lifespan of the CQT Extreme midsole?
Thanks to its resilient supercritical foam formulation, CQT Extreme maintains bounce and structural response for approximately 500 to 700 kilometers, depending on runner weight and surface conditions.
Can I run a Full Marathon (42km) in the 361° Flame Double?
While optimized primarily for distances up to 21km (Half Marathon), its 39mm stack height and carbon propulsion provide sufficient protection for 42km if you are an efficient runner accustomed to carbon-plated rides.
How can I purchase the shoe if it is not officially sold locally?
Since official distribution is limited outside domestic China markets, order through trusted third-party import services or Chinese shopping agents, preferably during major promotional sales events to get the best price.
