Details The Women's Bjorn Daehlie Winter Tights - Warm winter running tights in merino wool combined with a stretchy windproof and water-resistant fabric at front. Material Main Fabric: 31% Wool, 66% Polyester, 3% Elastane 2nd fabric: 100% Polyester Fit Slim fit Details Merino wool stretch Windproof front Mesh inserts in sides for better fit and ventilation Reflective detail Weight N/A Bjorn Daehlie Winter Tights Women's