Stealthy. Silent. Built for the grind.

The Anta C202 Zone 2 Heart Rate 90 "Black Warrior" strips away the bright neons and floral themes of its counterpart models, replacing them with a murdered-out, tactical aesthetic. This unplated super trainer packages elite marathon racing foam into a highly durable, stealthy daily road runner built for runners who let their miles do the talking.

Engineered around the Zone 2 coaching truth — 80% of weekly mileage should be completed at an easy, aerobic pace — the Zone 2 90 targets 60%–70% of maximum heart rate to build a powerful aerobic base without the calf tightness and joint fatigue of rigid carbon plates.

The Design Story: The Silent Workhorse

• The Silhouette: A deep, monochromatic black upper with charcoal accents handles road grime, dust, and winter slush without staining — the shoe that looks clean no matter what you put it through.
• Understated Sophistication: Sleek reflective overlays stay invisible during the day but provide crucial visibility for late-night and early-morning runs. Transitions seamlessly from technical road runner to stealthy lifestyle shoe.

Sizing & Fit

• Normal to Narrow Feet: True to Size (TTS) — order the exact same US size you wear in Nike, ASICS, Brooks, or New Balance. Midfoot lockdown is secure with zero heel slip.
• Wide Feet or In-Between Sizes: Size up a half size. The AT-Fiber upper is highly structured with very little mechanical stretch. The forefoot features a subtle performance taper — wide-footers or runners whose feet swell past the 5-mile mark should size up to prevent toe contact with the structured front bumper.

Midsole: Supercritical NitroEdge 90 Foam

A thick single slab of full-length NitroEdge 90 — ANTA's nitrogen-infused compound with an ultra-low 0.083 g/cm³ density and 90%+ energy return. It yields a cloud-like compression that shields legs past the 20-kilometer mark while returning explosive energy on every push-off. The kind of midsole that makes easy days feel like a reward.

Stability: Plateless Midfoot Nylon Shank

Instead of an unyielding carbon fiber plate, a flexible midfoot nylon shank provides torsional stability and transition guidance under the arch. Natural foot flexion is preserved through the full gait cycle with a smooth, guided heel-to-toe roll — no stiffness, no clunk at recovery paces.

Weight: Elite Featherweight Class

At just 188 grams (Men's US 9), it ranks as one of the lightest high-stack trainers on the market. It feels completely nimble and invisible on foot — the silent workhorse that disappears into your training.

Upper: Premium AT-Fiber Mesh

An ultra-thin AT-Fiber mesh mimics race-day uppers, providing a locked-in, twist-free fit with precise midfoot lockdown. Note: the material prioritizes structural strength over breathability and runs noticeably warm on mid-day summer runs. Best suited for cool-weather or early-morning training. Severe overpronators may also notice slight stability loss due to the highly compliant Nitro90 foam.

Outsole: Anti-Wear Rubber (AWR)

Lightweight AWR rubber protects key impact zones and delivers reliable grip on dry road surfaces. Best suited for dry conditions — exercise caution on slick, rain-soaked pavement.