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Stoic Strength Systems Sio4 Long Sleeve Half Zip - VIRUS® Performance Apparel

Stoic Strength Systems Sio4 Long Sleeve Half Zip

$81.00

Engineered for peak performance in the cold. Magmatic Thermal technology maximizes surface warmth while the Locksafe Zip ensures zero distractions during movement. Dominate your outdoor training with Virus®.

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PRODUCT DETAIL

LONG SLEEVE HALF ZIP | MAGMATIC THERMAL TECHNOLOGY DOMINATES COLD ENVIRONMENTS


KEY FEATURES

  • Magmatic Thermal Fabric — Infuses volcanic ash minerals into the fiber → Increases surface skin temperature → Delivers consistent warmth during cold-weather training.
  • Locksafe Zip — Integrates a secure zipper mechanism → Eliminates snags and hardware malfunctions → Maximizes focus during high-intensity movement.
  • Double Seam Stitching — Reinforces construction at critical stress points → Enhances garment longevity → Withstands the most rigorous training sessions.
  • Quick Dry Tech — Accelerates moisture evaporation → Prevents sweat-induced cooling → Optimizes thermal regulation and comfort.
  • Ribbed Hem Cuff — Delivers a secure, stay-put fit → Prevents fabric migration → Ensures an uninterrupted range of motion.
  • Bio-Compression Fit — Provides a durable, second-skin feel → Supports muscle stabilization → Optimizes power output on the platform.

SPECIFICATIONS

  • Fabric Technology: Magmatic Thermal
  • Construction: Virus® Compression • 4-Way Stretch
  • Fit: Athletic Fitted

TECHNOLOGY

Magmatic Thermal: Volcanic ash minerals are engineered into the fabric to actively promote increased surface skin temperature.

What you feel: Unrestricted movement and optimized warmth, allowing you to dominate outdoor sessions without the bulk.


MODEL INFO

On model: Ashley, 5'9" (175 cm), 185 lb (84 kg), wearing Large.


Engineered for elite outdoor training and high-intensity weightlifting. Virus® Magmatic Thermal technology optimizes surface temperature while the compressive fit stabilizes movement on the platform. Accelerate your performance and stay focused through every interval.


STANDARD STRENGTH & VIRUS® PARTNERSHIP — In partnership with Standard Strength, we advance their mission to "Change Your Life With Us." Together, we equip members and coaches with technology-driven apparel that honors the human side of training—people first, progress every session—so athletes walk out better than they came in.

PRODUCT CARE

VIRUS® has sought out to create quality products with some of the most technical and advanced fabrics on the planet. Proper care is an essential step to the longevity and function of these garments.

• Machine wash cold with like colors
• Hang dry only
• Do not iron
• Do not bleach
• Do not dry clean

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Magmatic Thermal

Conquer the cold with Magmatic Thermal apparel. Our specialized fabric incorporates volcanic minerals that capture body warmth and radiate it back to your core. Lightweight yet powerfully insulating, these garments provide exceptional warmth without bulk for challenging conditions.

EcoNuve™

Wear your values with EcoNuve™ technology. Each garment is crafted from premium performance fabric made entirely from recycled plastic bottles. Our eco-conscious manufacturing creates technical clothing that wicks moisture effectively while reducing environmental impact, proving sustainability never compromises performance.

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