Sockwell Men's Ziggy Socks 33% merino Wool/33% Bamboo Rayon/29% Nylon/5% Spandex Made in US Jacquard knit design for a great new look Spandex throughout the sock prevents slippage and ensures a snappy fit throughout the day Ultra flat toe seam for superior in shoe comfort Non cushion sole Y heel shape design for better fit Socks will be shipped in either Goodhew of Sockwell packaging Flat Toe Seam helps add Comfort Spandex Throughout the Sock for Fit and Comfort Jacquard Knit Design