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Sio14 | Men's Stay Warm Long Sleeve-Black/Grey



Coffee Charcoal™ Fabric

The SiO14 is enhanced with our Coffee Charcoal fabric to ensure comfort and warmth for the athlete in cold and harsh weather conditions. The Coffee Charcoal performance fabric, acts as a natural heating element to the body. The heat trap design, combined with the Coffee Charcoal infused yarn, has been tested to increase the body's surface temperature up to 10° F. The SiO14 can be used alone or in combination with outerwear in harsh or cold weather conditions. The ultra-moisture wicking feature, keeps the athlete dry while performing extreme training exercises.



  • Combats fatigue
  • Targeted Compression
  • Quick Dry
  • Increases Skin Temp.
  • Improves circulation



Sizing Guide

Product Care

  • Liquid soap only
  • Machine wash cold with like colors
  • Hang dry only

Fit Model Info

Model shown is wearing size L Compression Top

  • Waist: 32
  • Height: 6'0
  • Weight: 185

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