Sockwell Women's Skinny Minnie Socks 34% merino Wool/34% Bamboo Rayon/27% Nylon/5% Spandex Made in US 35% Stretch Nylon/30% Merino Wool/30% Bamboo Rayon/5% Spandex Socks will be shipped in either Goodhew of Sockwell packaging Fabric Type: 35% Stretch Nylon/ 30% Merino Wool/ 30% Bamboo Rayon/ 5% Spandex; Import Designation: USA Turn Welt Top Keeps Your Socks in Place Flat Toe Seam for Comfort Y-Heel Shape keeps Sock in Place Machine wash warm, turn sock inside out Tumble dry low Do not bleach