Official KIYah Athletics
The Apex Stealth Tech Set
The Apex Stealth Tech Set
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Uncompromised Performance.
Product Overview
Designed for the elite athlete who commands attention without saying a word. The Apex Stealth Tech Set combines aerodynamic engineering with luxury-grade performance fabrics, delivering an ultra-streamlined silhouette built to adapt to your highest output—and look good doing it.
Key Features
Quarter-Zip Long Sleeve:
Ergonomic Raglan Sleeves: Full range of motion for heavy lifts, mobility work, and high-intensity training.
Thermoregulating Fabric: Ultra-lightweight, 4-way stretch blend engineered to wick moisture and keep you cool under pressure.
Integrated Thumbholes: Keeps sleeves securely locked in place during explosive movements.
Minimalist Branding: High-density reflect-finish logo on the chest for a low-profile, premium aesthetic.
Performance Joggers:
Targeted Laser-Cut Ventilation: Micro-perforations at the calf and lower leg enhance airflow where heat builds up most.
Tailored Athletic Fit: Tapers precisely through the quad and calf without restricting movement.
Secure Storage: Deep side zipper pockets designed to hold essentials flush against your body while you move.
Custom Adjustable Waistband: Flat-lay drawstring system for a custom, stay-put lock.
Size Chart
Size Chart
Bringing Life to Fitness.
Fit note: Asian fit. Runs one size small. Cut in an Asian fit, our pieces run smaller than standard US sizing. Between sizes, or prefer a relaxed fit? Size up one.
Measurements are of the garment, not the body. Compare against a similar piece you already own. Measurements are in inches; garment weight is in grams.
Sports Bra
| Size | US size | Bust (in) | Underbust (in) | Length (in) | Weight (g) |
|---|---|---|---|---|---|
| XS | 32A / 30B | 11.0 | 9.4 | 8.7 | 61 |
| S | 32B / 34A | 11.8 | 10.2 | 9.1 | 66 |
| M | 34B / 36A | 12.6 | 11.0 | 9.8 | 76 |
| L | 36B / 38A | 13.4 | 11.8 | 10.2 | 81 |
| XL | 38B / 40A | 14.2 | 12.6 | 11.0 | 90 |
| XXL | 40B / 42A | 15.0 | 13.4 | 11.4 | 100 |
Long Sleeve Top
| Size | US size | Length (in) | Bust (in) | Sleeve (in) |
|---|---|---|---|---|
| S | 4–6 | 18.9 | 26.0 | 21.3 |
| M | 8–10 | 19.3 | 27.6 | 21.7 |
| L | 12–14 | 19.7 | 29.1 | 22.0 |
| XL | 16–18 | 20.1 | 30.7 | 22.4 |
Shorts
| Size | US size | Waist (in) | Hips (in) | Inseam (in) | Weight (g) |
|---|---|---|---|---|---|
| XS | 0 | 9.8 | 12.6 | 10.2 | 112 |
| S | 2–4 | 10.6 | 13.4 | 11.0 | 126 |
| M | 6–8 | 11.4 | 14.2 | 11.8 | 143 |
| L | 10–12 | 12.2 | 15.0 | 12.6 | 158 |
| XL | 14–16 | 13.0 | 16.1 | 13.4 | 179 |
| XXL | 18–20 | 13.8 | 17.3 | 14.2 | 194 |
Leggings
| Size | US size | Waist (in) | Hips (in) | Inseam (in) | Weight (g) |
|---|---|---|---|---|---|
| XS | 0 | 9.8 | 12.6 | 29.1 | 212 |
| S | 2–4 | 10.6 | 13.4 | 29.9 | 236 |
| M | 6–8 | 11.4 | 14.2 | 30.7 | 253 |
| L | 10–12 | 12.2 | 15.0 | 31.5 | 273 |
| XL | 14–16 | 13.0 | 16.1 | 32.3 | 308 |
| XXL | 18–20 | 13.8 | 17.3 | 33.1 | 328 |
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