Aero Tech 3" Merino Wool Blend Socks - American Made Sock Merino Wool is known for wicking sweat so your feet will stay dry during any outdoor activity Merino wool socks are a short ankle sock that is a perfect blend of style, comfort, and performance. Made with a performance wool blend that draws moisture away and reduces odors. The Merino Wool is mixed with nylon and spandex yarns to make them more durable. The Merino Wool 3" Cycling Sock are made with a merino wool blend of fabrics, a high visibility safety yellow crew cuff, and high quality construction for a sock that will last. Performance Merino Wool Blend FabricHi-Viz Safety Yellow Crew CuffHigh Quality Construction - Made in the USAReinforced Toe and Heel areasFour Size Options Aero Tech Wool Socks - Size Chart Size Men's Shoe Size, Women's Shoe Size Small 3-6, 4-7 Medium 6-9, 7-10 Large 9-12, 10-13 X-Large 12-15, 13+ Other Product Information Merino Wool Blended Fabric Merino Wool is an incredibly soft natural fiber that is sustainable and renewable. Cool Style - High Visibility The Safety Yellow Cuff fits snuggly and provides safety with the hi-viz safety yellow color. High Quality Construciton The Merino Wool Socks are made in the USA using quality labor and materials. Other Merino Wool Products Available Now! Check out our other great Merino Wool Products, including our Long Sleeve Jerseys, Base Layers, and Accessories Visit our Website Visit our Website to see other Great Products!