Ultimate warmth. Designed for the coldest days and the biggest adventure. Olympus 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. Features: Full-length base layer legging Flatlocked seams to prevent friction Merino mesh panels behind the knee Fabric & Fit: Fit: Slim Type: Merino Blend Blend: 97% Merino Wool, 3% Elastane