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\nMEN'S LONG SLEEVE | MAGMATIC THERMAL™ TECHNOLOGY ACCELERATES SKIN TEMPERATURE TO DOMINATE COLD-WEATHER PERFORMANCE.\n

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KEY FEATURES

\nMagmatic Thermal™ Fabric — Engineered with volcanic ash minerals to accelerate surface skin temperature → Sustains peak performance and warmth during intense cold-weather training.
\nLocksafe Zip — Features a secure quarter-zip design that eliminates zipper movement → Delivers uninterrupted focus and customizable ventilation during dynamic movements.
\nRibbed Hem & Cuffs — Crafted for a precision fit at the wrists and waist → Optimizes heat retention while maintaining unrestricted mobility.
\nQuick Dry Construction — Delivers advanced moisture-wicking properties → Maximizes thermal regulation and keeps the athlete dry during high-intensity intervals.
\nCompressive Fit — Provides a durable, second-skin feel → Maximizes muscle support and withstands the most abrasive training environments.
\nFabric Technology: Magmatic Thermal™
\nConstruction: Double seam stitching • Quick dry
\nFit: Compressive

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TECHNOLOGY

Magmatic Thermal™: This revolutionary fabric delivers heat through volcanic ash minerals that actively increase and maintain surface skin temperature. Engineered to be lightweight yet durable, it ensures the athlete remains optimized for performance in freezing conditions.

What you feel: Maximum warmth retention without bulk or restriction.

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MODEL INFO

On model: Alex, 5'11\" (180 cm), 185 lb (84 kg), wearing Medium.

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Engineered for high-output training in extreme environments. Virus® Magmatic Thermal™ technology locks in heat during outdoor intervals or early morning sessions. The compressive fit maximizes muscle support while the Locksafe Zip delivers custom ventilation without distractions. Crafted for those who refuse to let the elements dictate their training.

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Men's Sio4 Long Sleeve Half Zip(M / Red/Silver)

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