Anta Zone 2 Heart Rate 90 "Black Warrior" 112625579-6 - Marathon Training Shoe Unisex Black
Anta Zone 2 Heart Rate 90 — Stealth Performance, Zero Compromise
The Anta Zone 2 Heart Rate 90 in Black Warrior (Style Code: 112625579-6) is the triple-black, utilitarian iteration of Anta’s acclaimed plateless super trainer. Where the Mulberry Flower edition celebrates vibrant regional aesthetics, the Black Warrior strips everything back — deep black AT-Fiber mesh upper, blacked-out Nitro90 midsole, charcoal outsole, and only subtle reflective tonal branding on the lateral side. High-performance marathon-grade foam that hides road grime and doubles as an aggressive daily sneaker.
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Nitro90 Midsole — Race-Grade Foam, No Plate
- Full-Length Nitro Edge 90 Foam: Anta’s premier supercritical nitrogen-infused foam delivering a soft, bouncy, cloud-like ride with an elite 90%+ energy return — keeping your legs fresh through high-mileage training blocks.
- Curved Nylon/TPU Midfoot Shank: Embedded within the foam for natural foot flex, torsional stability, and a smooth rolling transition — all without the stiffness of a carbon plate.
- Geometry: 8mm drop (approx. 38mm heel / 30mm forefoot stack) with an aggressive late-stage forefoot rocker.
Weight
- Approximately 190g–198g (men’s sizing) — extremely lightweight for a high-stack daily trainer, built for effortless leg turnover.
Upper
- AT-Fiber Engineered Mesh: Featherlight and highly breathable. Race-style thin tongue and minimal collar padding optimize lockdown while shaving every unnecessary gram.
Outsole
- Anti-Wear Rubber (AWR): Low-profile traction layer strategically mapped across high-wear zones for durability where it counts.
The Ride
- Pillowy & Energetic: Absorbs heavy road vibration beautifully during recovery cruises and long Zone 2 base miles — keeps your heart rate down and your legs fresh.
- Surprisingly Versatile: The ultra-low weight means it doesn’t feel sluggish when you pick up the pace — seamlessly transitions into uptempo long runs, tempo blocks, and marathon-pace intervals.
Stability Note
- Best suited for neutral runners. The plush Nitro90 foam without a rigid carbon plate may feel laterally unstable for severe overpronators.
Sizing Guide
- Standard & Narrow Feet: True to size (TTS) — matches standard Nike, Adidas, and Li-Ning sizing. Midfoot wrap is secure and tight.
- Wide Feet, High Instep, or Toe Splay Preference: Go up +0.5 US to avoid rubbing against the structured tapered toe cap during long efforts.