Turtle Fur Men's Niall, Midweight Merino Wool Knit Beanie, Black Size: Adult, One Size fits most. Also fits Juniors and Teens Midweight Knit Merino Wool Blend - 50% Merino Wool, 50% Acrylic Earband Micro Fleece Lining Regular Fit Perfect for hiking, camping, skiing, snowboarding, snowshoeing and other outdoor activities.