Mons Royale Mens Alta Tech Half Zip Base Layer

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A merino base layer for the mountain athlete, stacked with technical features: rolled shoulder seams so your pack straps won't rub, a zip garage to protect your chin and thumb loops to keep sleeves under control no matter how fast, high or far you go.


  • Off shoulder seams for under pack comfort
  • Half zip for ventilation
  • Black colourway carries reflective detailing
  • Thumb loops
  • Breathable 190gsm 100% merino is soft, warm and odour free.


    100% Merino Wool

    Size Guide

    Click here for size chart.