Ibex Woolies Pro Tech Bottom Ibex&';s lightest weight base layer ever, perfect for most cool and cold conditions. NuyarnA(R) is a spinning technology that makes merino 35% more thermally efficient, 85% more elastic, and 8.8x more durable than its ring-spun counterparts Super soft, no-ride elastic and flatlock stitching for all day comfort Nylon Core for Durability Flatlock Seams Reduce Chaffing Covered Elastic Waistband Fabric Origin: Australia Garment Origin: Vietnam Odor-Resistant Wear Embrace your active lifestyle with confidence. The anti-bacterial properties of merino wool keep unpleasant odors at bay, even during the most rigorous activities. Thermoregulating Fiber Experience optimal comfort in varying conditions. The pant&';s thermoregulating fiber properties adapt to your body&';s temperature, providing warmth in the cold and keeping you cool when it&';s warm. Fit & Sizing FIT: Next to Skin LAYER: Base Layer LENGTH: Inseam - 29" (size M) Content & Care 85% Merino Wool, 15% Nylon Machine Wash Cold Do Not Use Fabric Softener Do Not Bleach Line Dry Cool Iron if Needed