Sockwell Haberdashery 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 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 Y Heel shape design for better fit