9.4 average score from 18 reviews


Model number: BUW-20
  • Far InfraRed technology keeps your body warm and exceptionally comfortable by improving body’s metabolism and microcirculation
  • The innovative seamless body construction incorporates rib zones for enhanced body support and increased thermal efficiency
  • 3D mesh zones provides improved perspiration control
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FIRLayer Undershirt

FAR Infrared technology makes this base layer the best protection in the worst conditions. Due to the microscopic ceramic particles in the fabric, infrared heat from the body is reflected back on the skin for an extra dimension in insulation. Long sleeves, warm but thin material and a high collar; all features to make this a great choice for when it gets rough outside. Besides protection, the special ribs in the material give your body the support it needs.

FIRLayer FIRLayer


  • Sizes XS/S,M/L,XL/XXL
  • Collection Performance
  • Gender Unisex
  • Temperature - 0 °C, 0 - 5 °C, 5 - 10 °C
  • Composition 65% polyester, 27% polyamide, 8% elasthane
  • Materials Far Infrared
  • Thermo Yes
  • Colors black

Wash specifications

  • Bleaching No
  • Dry clean No
  • Ironing No
  • Wash (degrees) 30




Unisex design.

Far Infrared (FIR) Technology

Far Infrared (FIR) Technology

Where normal insulation works through little air bubbles, works Far InfraRed through a whole other concept. The body emits infrared energy in the form of heat that goes straight through normal insulation. Special ceramic microparticles in the fabric of products with the Far InfraRed technology, work like a shield to bounce this energy back to the skin. The second level of insulation that is not affected by moist. Keeping your body warm and comfortable without thick layers of clothing.

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