The Mons Royale Olympus Half Zip is our warmest baselayer offering unrivalled warmth to weight ratio and strategically placed mesh panels to ensure breathability. We use midweight 250 merino wool with added elastane so that Olympus will keep its shape and last longer.
- Fabric | Merino Blend: 97% Merino Wool 3% Elastane, 250gsm
- Fit | Slim
- | Half zip for ventilation, Raglan sleeves for ease of movement, Merino mesh underarm panels, Flatlocked seams to prevent friction, Thumb loops.





















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