Great as a winter liner. 100% wool. Continuous knit construction with 2″ cuff. Merino® wool has anti-bacterial properties and can be washed with minimal shrinkage. These black glove liners will not melt and withstands moderately high temperatures where arching or flashing are possible. Meets the 70E specification. Provides the highest thermal insulating rating (R value) of any knit or woven material, even when wet. One size fits all. These 100% merino wool glove liners are sold by the pair.