Seirus Heatwave Mapped LS 1/4 Zip Women's Baselayer Top

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Seirus Heatwave Mapped LS 1/4 Zip Womens Baselayer Top

It looks space age because it is a baselayer like you've never seen before, the Seirus Heatwave Mapped LS 1/4 Zip Women's Baselayer Top has taken Serius's best selling Heatwave™ technology from glove liners and incorporated it into a state of the art baselayer. Seirus uses three dynamically complimentary fabrics to create one amazing piece, using Heatwave™ to deliver warmth where it is most needed, including extra warmth for the lower back and kidneys. Max Wick™ is incorporated into the underarm, with strategic placement on the back and front, for increased breathability in areas where we run hot. And Polygiene® anti-microbial mesh fills in where you need the most wicking and fabric breathability. The result is a base layer designed to deliver a perfect core temperature comfort, no matter what your activity level. With thumb loops for easy in and out of other layers you'd be excused for thinking this is just a baselayer, but Serius is thinking bigger than that, and has included reflective strikes at the back of the neck for winter evening runs and aerobic snowshoe sprints. An athletic close fit layer with stretch provided by spandex and knit fabric, The heat reflective properties of the Seirus® exclusive Heatwave™ material is designed to give you the warmth you need in any winter activity without having to pile on the layers just to stay comfortable.


  • Athletic Fit for a more generous fit, size up
  • Quarter zip crew neckline
  • 4-way stretch
  • Moisture control wicking/breathable fabric
  • Ergonomically placed Max Wick™
  • Engineered Body-Map Heatwave™ for more warmth & rapid wicking
  • Anti-chafing flatlock seam construction
  • Polygiene® Mesh anti-microbial ventilation zones for focused perspiration evaporation
  • High-Performance anti-microbial mesh at perspiration zones
  • Elbow articulation
  • Raglan Sleeves
  • Thumb loops
  • Reflective Hits at back of neck
Seirus Heatwave Mapped LS 1/4 Zip Women's Baselayer Top
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