Seirus Heatwave Reversible Men's LS Baselayer

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Seirus Heatwave Reversible Men's LS Baselayer

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Seirus Heatwave Reversible Mens Long Sleeve Baselayer

This is seriously amazing stuff, Seirus Heatwave Reversible Men's LS Baselayer is a high performance thin baselayer incorporating Seirus's Heatwave™ technology heat-reflective material. You know it from liner gloves and socks, the fabric that amplifies heat by 4-5 degrees while reflecting 20% of your own body heat back to you, now it is incorporated into a shirt designed to be worn as a baselayer or for cold weather aerobic activity. Stay comfortable without piling on the layers, this is engineered clothing using three fabrics to trap warmth, allow heat escape where you're most likely to overheat, and control odor with Polygiene® Mesh anti-microbial ventilation zones. A classic fit for more room in the body this incorporates reflective hits at the chest for visibility during dusky evening runs. A four way stretch fabric with raglan sleeves and flatlock seam construction for a garment that moves smoothly with you without chaffing, this takes synthetic baselayers to a whole new level through the ability to be reversible. Supercharge the warmth by keeping the Heatwave™ on the inside, flip it for a space age appearance and more wicking breathability. Function, form, and flexibility all powered by Heatwave™ technology for the man looking for solutions to cold weather comfort.


  • Classic fit / reversible
  • Heatwave™ for more warmth & rapid wicking
  • Anti-chafing flatlock seam construction
  • Ergonomically placed Max Wick™ fabric for increased breathability
  • Polygiene® mesh anti-microbial ventilation zones
  • Raglan sleeves for comfortable fit during activities
  • Reflective hits at chest
  • 4-way stretch moisture control/breathable

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