Skip to product information
Sio4 Long Sleeve Half Zip - VIRUS® Performance Apparel

Men's Sio4 Long Sleeve Half Zip

$596.00
4.9
Rated 4.9 out of 5 stars
10 Reviews

Virus® Magmatic Thermal™ technology delivers elite heat retention for cold-weather performance. Engineered with volcanic ash-infused yarn, this long sleeve accelerates skin temperature while the compressive fit maximizes muscle support and durability.

Size
ColorUSA Red/Silver
PRODUCT DETAIL

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


KEY FEATURES

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

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.


MODEL INFO

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


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.

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

Checkout

with confidence

Shop with confidence, knowing your purchases are protected every step of the way.

Free returns

& exchanges

Return or exchange your items for free. If you're not completely satisfied, we've got you covered.

Package

protection

Rest assured, if your package is lost, stolen, or damaged, we've got you covered.

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.

4.9
Rated 4.9 out of 5 stars
Based on 10 reviews
Total 5 star reviews: 9 Total 4 star reviews: 1 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
100%would recommend this product
Slide 1 selected
Customers Talked About
10 reviews
  • RC
    Ricardo C.
    Verified Buyer
    I recommend this product
    What sport/activity do you do? MMA/BJJ/Combat
    What is your height? 5' 5"
    What is your weight? 141-150lbs
    Rated 5 out of 5 stars
    3 months ago
    Sio4 Long sleeve 1/2 zip

    A+++

    SizingRated 0.0 on a scale of minus 2 to 2
  • BB
    BENJAMIN B.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    5 months ago
    5 Stars

    2nd one in eight years. Great cool weather long sleeve.

  • RS
    Robert S.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    11 months ago
    5 Stars

    Perfect fit. Very versatile.

  • LL
    Lesley L.
    Verified Buyer
    I recommend this product
    Rated 4 out of 5 stars
    11 months ago
    4 Stars

    Really good feel when wearing it.not as heavy as I thought it would be.

  • MS
    Michael S.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    7 years ago
    Awesome quality and comfortable!

    Awesome fit! True to size maybe slighter tighter than dimensions due to compression quality.

    Very comfortable and looks awesome!

You may also like