SmartWool PhD Hyfi Training Headband - Past Season 45% Nylon, 39% Merino Wool, 16% Elastane Knit in Vietnam HyFi Terry Back knit construction with clean finish seams Windproof front panel for increased protection Contoured drop-ear design for comfort and warmth Style:SW0SC144 Machine Wash COLD, Gentle Cycle Wash With Similar Color Do Not Bleach Tumble Dry LOW Cool Iron When Needed Do Not Dry Clean