evo.com | Smartwool Beanies > Benefits of Merino Wool Blended with Nylon and Recycled Polyester for Enhanced Durability Single-Layer Heavy Rib Knit Construction 55% Recycled Polyester / 30% Merino Wool / 15% Nylon | Smartwool Rib Hat 2022 in Blue | Nylon/Wool/Polyester